code
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stringclasses 9
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stringlengths 6
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stringlengths 5
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⌀ | description
stringlengths 36
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void test_openat(const char *path)
{
char *d = strdupa(path), *f, *tmpname;
int fd, fd2;
f = basename(d);
d = dirname(d);
fd = open(d, O_RDONLY);
if (fd < 0) {
fprintf(stderr, "Error in openat test: could not open parent dir\n");
fprintf(stderr, "(this is expected on the second run)\n");
return;
}
fd2 = openat(fd, f, O_RDONLY);
if (fd2 >= 0 || errno != ENOENT) {
fprintf(stderr, "leak at openat of %s\n", f);
exit(1);
}
size_t len = strlen(path) + strlen("/cgroup.procs") + 1;
tmpname = alloca(len);
snprintf(tmpname, len, "%s/cgroup.procs", f);
fd2 = openat(fd, tmpname, O_RDONLY);
if (fd2 >= 0 || errno != ENOENT) {
fprintf(stderr, "leak at openat of %s\n", tmpname);
exit(1);
}
close(fd);
} | 1 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | safe |
f_setbufvar(typval_T *argvars, typval_T *rettv UNUSED)
{
buf_T *buf;
char_u *varname, *bufvarname;
typval_T *varp;
char_u nbuf[NUMBUFLEN];
if (check_secure())
return;
(void)tv_get_number(&argvars[0]); /* issue errmsg if type error */
varname = tv_get_string_chk(&argvars[1]);
buf = tv_get_buf(&argvars[0], FALSE);
varp = &argvars[2];
if (buf != NULL && varname != NULL && varp != NULL)
{
if (*varname == '&')
{
long numval;
char_u *strval;
int error = FALSE;
aco_save_T aco;
/* set curbuf to be our buf, temporarily */
aucmd_prepbuf(&aco, buf);
++varname;
numval = (long)tv_get_number_chk(varp, &error);
strval = tv_get_string_buf_chk(varp, nbuf);
if (!error && strval != NULL)
set_option_value(varname, numval, strval, OPT_LOCAL);
/* reset notion of buffer */
aucmd_restbuf(&aco);
}
else
{
buf_T *save_curbuf = curbuf;
bufvarname = alloc((unsigned)STRLEN(varname) + 3);
if (bufvarname != NULL)
{
curbuf = buf;
STRCPY(bufvarname, "b:");
STRCPY(bufvarname + 2, varname);
set_var(bufvarname, varp, TRUE);
vim_free(bufvarname);
curbuf = save_curbuf;
}
}
}
} | 1 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | safe |
int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags)
{
int noblock = flags & MSG_DONTWAIT;
struct sock *sk = sock->sk;
struct sk_buff *skb;
size_t copied;
int err;
BT_DBG("sock %p sk %p len %zu", sock, sk, len);
if (flags & (MSG_OOB))
return -EOPNOTSUPP;
skb = skb_recv_datagram(sk, flags, noblock, &err);
if (!skb) {
if (sk->sk_shutdown & RCV_SHUTDOWN) {
msg->msg_namelen = 0;
return 0;
}
return err;
}
copied = skb->len;
if (len < copied) {
msg->msg_flags |= MSG_TRUNC;
copied = len;
}
skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err == 0) {
sock_recv_ts_and_drops(msg, sk, skb);
if (bt_sk(sk)->skb_msg_name)
bt_sk(sk)->skb_msg_name(skb, msg->msg_name,
&msg->msg_namelen);
else
msg->msg_namelen = 0;
}
skb_free_datagram(sk, skb);
return err ? : copied;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
char *cJSON_PrintBuffered(cJSON *item,int prebuffer,int fmt)
{
printbuffer p;
p.buffer=(char*)cJSON_malloc(prebuffer);
p.length=prebuffer;
p.offset=0;
return print_value(item,0,fmt,&p);
} | 1 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | safe |
static struct fsnotify_group *inotify_new_group(unsigned int max_events)
{
struct fsnotify_group *group;
group = fsnotify_alloc_group(&inotify_fsnotify_ops);
if (IS_ERR(group))
return group;
group->max_events = max_events;
spin_lock_init(&group->inotify_data.idr_lock);
idr_init(&group->inotify_data.idr);
group->inotify_data.last_wd = 0;
group->inotify_data.fa = NULL;
group->inotify_data.user = get_current_user();
if (atomic_inc_return(&group->inotify_data.user->inotify_devs) >
inotify_max_user_instances) {
fsnotify_put_group(group);
return ERR_PTR(-EMFILE);
}
return group;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
rio_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
{
int phy_addr;
struct netdev_private *np = netdev_priv(dev);
struct mii_data *miidata = (struct mii_data *) &rq->ifr_ifru;
struct netdev_desc *desc;
int i;
phy_addr = np->phy_addr;
switch (cmd) {
case SIOCDEVPRIVATE:
break;
case SIOCDEVPRIVATE + 1:
miidata->out_value = mii_read (dev, phy_addr, miidata->reg_num);
break;
case SIOCDEVPRIVATE + 2:
mii_write (dev, phy_addr, miidata->reg_num, miidata->in_value);
break;
case SIOCDEVPRIVATE + 3:
break;
case SIOCDEVPRIVATE + 4:
break;
case SIOCDEVPRIVATE + 5:
netif_stop_queue (dev);
break;
case SIOCDEVPRIVATE + 6:
netif_wake_queue (dev);
break;
case SIOCDEVPRIVATE + 7:
printk
("tx_full=%x cur_tx=%lx old_tx=%lx cur_rx=%lx old_rx=%lx\n",
netif_queue_stopped(dev), np->cur_tx, np->old_tx, np->cur_rx,
np->old_rx);
break;
case SIOCDEVPRIVATE + 8:
printk("TX ring:\n");
for (i = 0; i < TX_RING_SIZE; i++) {
desc = &np->tx_ring[i];
printk
("%02x:cur:%08x next:%08x status:%08x frag1:%08x frag0:%08x",
i,
(u32) (np->tx_ring_dma + i * sizeof (*desc)),
(u32)le64_to_cpu(desc->next_desc),
(u32)le64_to_cpu(desc->status),
(u32)(le64_to_cpu(desc->fraginfo) >> 32),
(u32)le64_to_cpu(desc->fraginfo));
printk ("\n");
}
printk ("\n");
break;
default:
return -EOPNOTSUPP;
}
return 0;
} | 0 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | vulnerable |
fm_mgr_config_mgr_connect
(
fm_config_conx_hdl *hdl,
fm_mgr_type_t mgr
)
{
char s_path[256];
char c_path[256];
char *mgr_prefix;
p_hsm_com_client_hdl_t *mgr_hdl;
memset(s_path,0,sizeof(s_path));
memset(c_path,0,sizeof(c_path));
switch ( mgr )
{
case FM_MGR_SM:
mgr_prefix = HSM_FM_SCK_SM;
mgr_hdl = &hdl->sm_hdl;
break;
case FM_MGR_PM:
mgr_prefix = HSM_FM_SCK_PM;
mgr_hdl = &hdl->pm_hdl;
break;
case FM_MGR_FE:
mgr_prefix = HSM_FM_SCK_FE;
mgr_hdl = &hdl->fe_hdl;
break;
default:
return FM_CONF_INIT_ERR;
}
// Fill in the paths for the server and client sockets.
sprintf(s_path,"%s%s%d",HSM_FM_SCK_PREFIX,mgr_prefix,hdl->instance);
sprintf(c_path,"%s%s%d_C_XXXXXX",HSM_FM_SCK_PREFIX,mgr_prefix,hdl->instance);
if ( *mgr_hdl == NULL )
{
if ( hcom_client_init(mgr_hdl,s_path,c_path,32768) != HSM_COM_OK )
{
return FM_CONF_INIT_ERR;
}
}
if ( hcom_client_connect(*mgr_hdl) == HSM_COM_OK )
{
hdl->conx_mask |= mgr;
return FM_CONF_OK;
}
return FM_CONF_CONX_ERR;
}
| 1 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | safe |
static UINT parallel_process_irp_create(PARALLEL_DEVICE* parallel, IRP* irp)
{
char* path = NULL;
int status;
WCHAR* ptr;
UINT32 PathLength;
if (!Stream_SafeSeek(irp->input, 28))
return ERROR_INVALID_DATA;
/* DesiredAccess(4) AllocationSize(8), FileAttributes(4) */
/* SharedAccess(4) CreateDisposition(4), CreateOptions(4) */
if (Stream_GetRemainingLength(irp->input) < 4)
return ERROR_INVALID_DATA;
Stream_Read_UINT32(irp->input, PathLength);
ptr = (WCHAR*)Stream_Pointer(irp->input);
if (!Stream_SafeSeek(irp->input, PathLength))
return ERROR_INVALID_DATA;
status = ConvertFromUnicode(CP_UTF8, 0, ptr, PathLength / 2, &path, 0, NULL, NULL);
if (status < 1)
if (!(path = (char*)calloc(1, 1)))
{
WLog_ERR(TAG, "calloc failed!");
return CHANNEL_RC_NO_MEMORY;
}
parallel->id = irp->devman->id_sequence++;
parallel->file = open(parallel->path, O_RDWR);
if (parallel->file < 0)
{
irp->IoStatus = STATUS_ACCESS_DENIED;
parallel->id = 0;
}
else
{
/* all read and write operations should be non-blocking */
if (fcntl(parallel->file, F_SETFL, O_NONBLOCK) == -1)
{
}
}
Stream_Write_UINT32(irp->output, parallel->id);
Stream_Write_UINT8(irp->output, 0);
free(path);
return irp->Complete(irp);
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
AsyncWith(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
{
stmt_ty p;
p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
if (!p)
return NULL;
p->kind = AsyncWith_kind;
p->v.AsyncWith.items = items;
p->v.AsyncWith.body = body;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
p->end_col_offset = end_col_offset;
return p;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
{
struct pt_regs hot_regs;
if (static_branch(&perf_swevent_enabled[event_id])) {
if (!regs) {
perf_fetch_caller_regs(&hot_regs);
regs = &hot_regs;
}
__perf_sw_event(event_id, nr, nmi, regs, addr);
}
} | 0 | C | CWE-400 | Uncontrolled Resource Consumption | The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. | https://cwe.mitre.org/data/definitions/400.html | vulnerable |
static cJSON *create_reference( cJSON *item )
{
cJSON *ref;
if ( ! ( ref = cJSON_New_Item() ) )
return 0;
memcpy( ref, item, sizeof(cJSON) );
ref->string = 0;
ref->type |= cJSON_IsReference;
ref->next = ref->prev = 0;
return ref;
} | 0 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | vulnerable |
header_gets (SF_PRIVATE *psf, char *ptr, int bufsize)
{ int k ;
if (psf->header.indx + bufsize >= psf->header.len && psf_bump_header_allocation (psf, bufsize))
return 0 ;
for (k = 0 ; k < bufsize - 1 ; k++)
{ if (psf->header.indx < psf->header.end)
{ ptr [k] = psf->header.ptr [psf->header.indx] ;
psf->header.indx ++ ;
}
else
{ psf->header.end += psf_fread (psf->header.ptr + psf->header.end, 1, 1, psf) ;
ptr [k] = psf->header.ptr [psf->header.indx] ;
psf->header.indx = psf->header.end ;
} ;
if (ptr [k] == '\n')
break ;
} ;
ptr [k] = 0 ;
return k ;
} /* header_gets */ | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
static int mpeg4video_probe(AVProbeData *probe_packet)
{
uint32_t temp_buffer = -1;
int VO = 0, VOL = 0, VOP = 0, VISO = 0, res = 0;
int i;
for (i = 0; i < probe_packet->buf_size; i++) {
temp_buffer = (temp_buffer << 8) + probe_packet->buf[i];
if ((temp_buffer & 0xffffff00) != 0x100)
continue;
if (temp_buffer == VOP_START_CODE)
VOP++;
else if (temp_buffer == VISUAL_OBJECT_START_CODE)
VISO++;
else if (temp_buffer < 0x120)
VO++;
else if (temp_buffer < 0x130)
VOL++;
else if (!(0x1AF < temp_buffer && temp_buffer < 0x1B7) &&
!(0x1B9 < temp_buffer && temp_buffer < 0x1C4))
res++;
}
if (VOP >= VISO && VOP >= VOL && VO >= VOL && VOL > 0 && res == 0)
return AVPROBE_SCORE_EXTENSION;
return 0;
} | 0 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | vulnerable |
void sctp_generate_proto_unreach_event(unsigned long data)
{
struct sctp_transport *transport = (struct sctp_transport *) data;
struct sctp_association *asoc = transport->asoc;
struct sock *sk = asoc->base.sk;
struct net *net = sock_net(sk);
bh_lock_sock(sk);
if (sock_owned_by_user(sk)) {
pr_debug("%s: sock is busy\n", __func__);
/* Try again later. */
if (!mod_timer(&transport->proto_unreach_timer,
jiffies + (HZ/20)))
sctp_association_hold(asoc);
goto out_unlock;
}
/* Is this structure just waiting around for us to actually
* get destroyed?
*/
if (asoc->base.dead)
goto out_unlock;
sctp_do_sm(net, SCTP_EVENT_T_OTHER,
SCTP_ST_OTHER(SCTP_EVENT_ICMP_PROTO_UNREACH),
asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
out_unlock:
bh_unlock_sock(sk);
sctp_association_put(asoc);
} | 1 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | safe |
static void mark_commit(struct commit *c, void *data)
{
mark_object(&c->object, NULL, data);
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
int use_env()
{
int indent;
size_t flags = 0;
json_t *json;
json_error_t error;
#ifdef _WIN32
/* On Windows, set stdout and stderr to binary mode to avoid
outputting DOS line terminators */
_setmode(_fileno(stdout), _O_BINARY);
_setmode(_fileno(stderr), _O_BINARY);
#endif
indent = getenv_int("JSON_INDENT");
if(indent < 0 || indent > 255) {
fprintf(stderr, "invalid value for JSON_INDENT: %d\n", indent);
return 2;
}
if(indent > 0)
flags |= JSON_INDENT(indent);
if(getenv_int("JSON_COMPACT") > 0)
flags |= JSON_COMPACT;
if(getenv_int("JSON_ENSURE_ASCII"))
flags |= JSON_ENSURE_ASCII;
if(getenv_int("JSON_PRESERVE_ORDER"))
flags |= JSON_PRESERVE_ORDER;
if(getenv_int("JSON_SORT_KEYS"))
flags |= JSON_SORT_KEYS;
if(getenv_int("STRIP")) {
/* Load to memory, strip leading and trailing whitespace */
size_t size = 0, used = 0;
char *buffer = NULL;
while(1) {
size_t count;
size = (size == 0 ? 128 : size * 2);
buffer = realloc(buffer, size);
if(!buffer) {
fprintf(stderr, "Unable to allocate %d bytes\n", (int)size);
return 1;
}
count = fread(buffer + used, 1, size - used, stdin);
if(count < size - used) {
buffer[used + count] = '\0';
break;
}
used += count;
}
json = json_loads(strip(buffer), 0, &error);
free(buffer);
}
else
json = json_loadf(stdin, 0, &error);
if(!json) {
fprintf(stderr, "%d %d %d\n%s\n",
error.line, error.column,
error.position, error.text);
return 1;
}
json_dumpf(json, stdout, flags);
json_decref(json);
return 0;
} | 0 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | vulnerable |
static gboolean match_hostname(const char *cert_hostname, const char *hostname)
{
const char *hostname_left;
if (!strcasecmp(cert_hostname, hostname)) { /* exact match */
return TRUE;
} else if (cert_hostname[0] == '*' && cert_hostname[1] == '.' && cert_hostname[2] != 0) { /* wildcard match */
/* The initial '*' matches exactly one hostname component */
hostname_left = strchr(hostname, '.');
if (hostname_left != NULL && ! strcasecmp(hostname_left + 1, cert_hostname + 2)) {
return TRUE;
}
}
return FALSE;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
static int atalk_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
size_t size, int flags)
{
struct sock *sk = sock->sk;
struct sockaddr_at *sat = (struct sockaddr_at *)msg->msg_name;
struct ddpehdr *ddp;
int copied = 0;
int offset = 0;
int err = 0;
struct sk_buff *skb;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &err);
lock_sock(sk);
if (!skb)
goto out;
/* FIXME: use skb->cb to be able to use shared skbs */
ddp = ddp_hdr(skb);
copied = ntohs(ddp->deh_len_hops) & 1023;
if (sk->sk_type != SOCK_RAW) {
offset = sizeof(*ddp);
copied -= offset;
}
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
err = skb_copy_datagram_iovec(skb, offset, msg->msg_iov, copied);
if (!err) {
if (sat) {
sat->sat_family = AF_APPLETALK;
sat->sat_port = ddp->deh_sport;
sat->sat_addr.s_node = ddp->deh_snode;
sat->sat_addr.s_net = ddp->deh_snet;
}
msg->msg_namelen = sizeof(*sat);
}
skb_free_datagram(sk, skb); /* Free the datagram. */
out:
release_sock(sk);
return err ? : copied;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
static inline int _setEdgePixel(const gdImagePtr src, unsigned int x, unsigned int y, gdFixed coverage, const int bgColor)
{
const gdFixed f_127 = gd_itofx(127);
register int c = src->tpixels[y][x];
c = c | (( (int) (gd_fxtof(gd_mulfx(coverage, f_127)) + 50.5f)) << 24);
return _color_blend(bgColor, c);
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
int i2400m_op_rfkill_sw_toggle(struct wimax_dev *wimax_dev,
enum wimax_rf_state state)
{
int result;
struct i2400m *i2400m = wimax_dev_to_i2400m(wimax_dev);
struct device *dev = i2400m_dev(i2400m);
struct sk_buff *ack_skb;
struct {
struct i2400m_l3l4_hdr hdr;
struct i2400m_tlv_rf_operation sw_rf;
} __packed *cmd;
char strerr[32];
d_fnstart(4, dev, "(wimax_dev %p state %d)\n", wimax_dev, state);
result = -ENOMEM;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (cmd == NULL)
goto error_alloc;
cmd->hdr.type = cpu_to_le16(I2400M_MT_CMD_RF_CONTROL);
cmd->hdr.length = sizeof(cmd->sw_rf);
cmd->hdr.version = cpu_to_le16(I2400M_L3L4_VERSION);
cmd->sw_rf.hdr.type = cpu_to_le16(I2400M_TLV_RF_OPERATION);
cmd->sw_rf.hdr.length = cpu_to_le16(sizeof(cmd->sw_rf.status));
switch (state) {
case WIMAX_RF_OFF: /* RFKILL ON, radio OFF */
cmd->sw_rf.status = cpu_to_le32(2);
break;
case WIMAX_RF_ON: /* RFKILL OFF, radio ON */
cmd->sw_rf.status = cpu_to_le32(1);
break;
default:
BUG();
}
ack_skb = i2400m_msg_to_dev(i2400m, cmd, sizeof(*cmd));
result = PTR_ERR(ack_skb);
if (IS_ERR(ack_skb)) {
dev_err(dev, "Failed to issue 'RF Control' command: %d\n",
result);
goto error_msg_to_dev;
}
result = i2400m_msg_check_status(wimax_msg_data(ack_skb),
strerr, sizeof(strerr));
if (result < 0) {
dev_err(dev, "'RF Control' (0x%04x) command failed: %d - %s\n",
I2400M_MT_CMD_RF_CONTROL, result, strerr);
goto error_cmd;
}
/* Now we wait for the state to change to RADIO_OFF or RADIO_ON */
result = wait_event_timeout(
i2400m->state_wq, i2400m_radio_is(i2400m, state),
5 * HZ);
if (result == 0)
result = -ETIMEDOUT;
if (result < 0)
dev_err(dev, "Error waiting for device to toggle RF state: "
"%d\n", result);
result = 0;
error_cmd:
kfree_skb(ack_skb);
error_msg_to_dev:
error_alloc:
d_fnend(4, dev, "(wimax_dev %p state %d) = %d\n",
wimax_dev, state, result);
kfree(cmd);
return result;
} | 1 | C | CWE-401 | Missing Release of Memory after Effective Lifetime | The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. | https://cwe.mitre.org/data/definitions/401.html | safe |
kex_input_kexinit(int type, u_int32_t seq, void *ctxt)
{
struct ssh *ssh = ctxt;
struct kex *kex = ssh->kex;
const u_char *ptr;
u_int i;
size_t dlen;
int r;
debug("SSH2_MSG_KEXINIT received");
if (kex == NULL)
return SSH_ERR_INVALID_ARGUMENT;
ssh_dispatch_set(ssh, SSH2_MSG_KEXINIT, NULL);
ptr = sshpkt_ptr(ssh, &dlen);
if ((r = sshbuf_put(kex->peer, ptr, dlen)) != 0)
return r;
/* discard packet */
for (i = 0; i < KEX_COOKIE_LEN; i++)
if ((r = sshpkt_get_u8(ssh, NULL)) != 0)
return r;
for (i = 0; i < PROPOSAL_MAX; i++)
if ((r = sshpkt_get_string(ssh, NULL, NULL)) != 0)
return r;
/*
* XXX RFC4253 sec 7: "each side MAY guess" - currently no supported
* KEX method has the server move first, but a server might be using
* a custom method or one that we otherwise don't support. We should
* be prepared to remember first_kex_follows here so we can eat a
* packet later.
* XXX2 - RFC4253 is kind of ambiguous on what first_kex_follows means
* for cases where the server *doesn't* go first. I guess we should
* ignore it when it is set for these cases, which is what we do now.
*/
if ((r = sshpkt_get_u8(ssh, NULL)) != 0 || /* first_kex_follows */
(r = sshpkt_get_u32(ssh, NULL)) != 0 || /* reserved */
(r = sshpkt_get_end(ssh)) != 0)
return r;
if (!(kex->flags & KEX_INIT_SENT))
if ((r = kex_send_kexinit(ssh)) != 0)
return r;
if ((r = kex_choose_conf(ssh)) != 0)
return r;
if (kex->kex_type < KEX_MAX && kex->kex[kex->kex_type] != NULL)
return (kex->kex[kex->kex_type])(ssh);
return SSH_ERR_INTERNAL_ERROR;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
define_function(foobar)
{
int64_t arg = integer_argument(1);
switch (arg)
{
case 1:
return_string("foo");
break;
case 2:
return_string("bar");
break;
}
return_string("oops")
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
ast_for_atom_expr(struct compiling *c, const node *n)
{
int i, nch, start = 0;
expr_ty e, tmp;
REQ(n, atom_expr);
nch = NCH(n);
if (TYPE(CHILD(n, 0)) == AWAIT) {
if (c->c_feature_version < 5) {
ast_error(c, n,
"Await expressions are only supported in Python 3.5 and greater");
return NULL;
}
start = 1;
assert(nch > 1);
}
e = ast_for_atom(c, CHILD(n, start));
if (!e)
return NULL;
if (nch == 1)
return e;
if (start && nch == 2) {
return Await(e, LINENO(n), n->n_col_offset, c->c_arena);
}
for (i = start + 1; i < nch; i++) {
node *ch = CHILD(n, i);
if (TYPE(ch) != trailer)
break;
tmp = ast_for_trailer(c, ch, e);
if (!tmp)
return NULL;
tmp->lineno = e->lineno;
tmp->col_offset = e->col_offset;
e = tmp;
}
if (start) {
/* there was an AWAIT */
return Await(e, LINENO(n), n->n_col_offset, c->c_arena);
}
else {
return e;
}
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
static void blendMode(HttpRoute *route, MprJson *config)
{
MprJson *currentMode, *app;
cchar *mode;
mode = mprReadJson(config, "app.mode");
if (!mode) {
mode = sclone("debug");
}
route->debug = smatch(mode, "debug");
if ((currentMode = mprReadJsonObj(config, sfmt("app.modes.%s", mode))) != 0) {
app = mprReadJsonObj(config, "app");
mprBlendJson(app, currentMode, MPR_JSON_OVERWRITE);
mprWriteJson(app, "app.mode", mode);
}
} | 1 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | safe |
bool_t enc28j60IrqHandler(NetInterface *interface)
{
bool_t flag;
uint8_t status;
//This flag will be set if a higher priority task must be woken
flag = FALSE;
//Clear the INTIE bit, immediately after an interrupt event
enc28j60ClearBit(interface, ENC28J60_REG_EIE, EIE_INTIE);
//Read interrupt status register
status = enc28j60ReadReg(interface, ENC28J60_REG_EIR);
//Link status change?
if((status & EIR_LINKIF) != 0)
{
//Disable LINKIE interrupt
enc28j60ClearBit(interface, ENC28J60_REG_EIE, EIE_LINKIE);
//Set event flag
interface->nicEvent = TRUE;
//Notify the TCP/IP stack of the event
flag |= osSetEventFromIsr(&netEvent);
}
//Packet received?
if((status & EIR_PKTIF) != 0)
{
//Disable PKTIE interrupt
enc28j60ClearBit(interface, ENC28J60_REG_EIE, EIE_PKTIE);
//Set event flag
interface->nicEvent = TRUE;
//Notify the TCP/IP stack of the event
flag |= osSetEventFromIsr(&netEvent);
}
//Packet transmission complete?
if((status & (EIR_TXIF | EIE_TXERIE)) != 0)
{
//Clear interrupt flags
enc28j60ClearBit(interface, ENC28J60_REG_EIR, EIR_TXIF | EIE_TXERIE);
//Notify the TCP/IP stack that the transmitter is ready to send
flag |= osSetEventFromIsr(&interface->nicTxEvent);
}
//Once the interrupt has been serviced, the INTIE bit
//is set again to re-enable interrupts
enc28j60SetBit(interface, ENC28J60_REG_EIE, EIE_INTIE);
//A higher priority task must be woken?
return flag;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
long keyctl_set_reqkey_keyring(int reqkey_defl)
{
struct cred *new;
int ret, old_setting;
old_setting = current_cred_xxx(jit_keyring);
if (reqkey_defl == KEY_REQKEY_DEFL_NO_CHANGE)
return old_setting;
new = prepare_creds();
if (!new)
return -ENOMEM;
switch (reqkey_defl) {
case KEY_REQKEY_DEFL_THREAD_KEYRING:
ret = install_thread_keyring_to_cred(new);
if (ret < 0)
goto error;
goto set;
case KEY_REQKEY_DEFL_PROCESS_KEYRING:
ret = install_process_keyring_to_cred(new);
if (ret < 0)
goto error;
goto set;
case KEY_REQKEY_DEFL_DEFAULT:
case KEY_REQKEY_DEFL_SESSION_KEYRING:
case KEY_REQKEY_DEFL_USER_KEYRING:
case KEY_REQKEY_DEFL_USER_SESSION_KEYRING:
case KEY_REQKEY_DEFL_REQUESTOR_KEYRING:
goto set;
case KEY_REQKEY_DEFL_NO_CHANGE:
case KEY_REQKEY_DEFL_GROUP_KEYRING:
default:
ret = -EINVAL;
goto error;
}
set:
new->jit_keyring = reqkey_defl;
commit_creds(new);
return old_setting;
error:
abort_creds(new);
return ret;
} | 1 | C | CWE-404 | Improper Resource Shutdown or Release | The program does not release or incorrectly releases a resource before it is made available for re-use. | https://cwe.mitre.org/data/definitions/404.html | safe |
void ptrace_triggered(struct perf_event *bp, int nmi,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct perf_event_attr attr;
/*
* Disable the breakpoint request here since ptrace has defined a
* one-shot behaviour for breakpoint exceptions in PPC64.
* The SIGTRAP signal is generated automatically for us in do_dabr().
* We don't have to do anything about that here
*/
attr = bp->attr;
attr.disabled = true;
modify_user_hw_breakpoint(bp, &attr);
} | 0 | C | CWE-400 | Uncontrolled Resource Consumption | The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. | https://cwe.mitre.org/data/definitions/400.html | vulnerable |
wb_print(netdissect_options *ndo,
register const void *hdr, register u_int len)
{
register const struct pkt_hdr *ph;
ph = (const struct pkt_hdr *)hdr;
if (len < sizeof(*ph) || !ND_TTEST(*ph)) {
ND_PRINT((ndo, "%s", tstr));
return;
}
len -= sizeof(*ph);
if (ph->ph_flags)
ND_PRINT((ndo, "*"));
switch (ph->ph_type) {
case PT_KILL:
ND_PRINT((ndo, " wb-kill"));
return;
case PT_ID:
if (wb_id(ndo, (const struct pkt_id *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
case PT_RREQ:
if (wb_rreq(ndo, (const struct pkt_rreq *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
case PT_RREP:
if (wb_rrep(ndo, (const struct pkt_rrep *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
case PT_DRAWOP:
if (wb_drawop(ndo, (const struct pkt_dop *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
case PT_PREQ:
if (wb_preq(ndo, (const struct pkt_preq *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
case PT_PREP:
if (wb_prep(ndo, (const struct pkt_prep *)(ph + 1), len) >= 0)
return;
ND_PRINT((ndo, "%s", tstr));
break;
default:
ND_PRINT((ndo, " wb-%d!", ph->ph_type));
return;
}
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
static pj_status_t get_name(int rec_counter, const pj_uint8_t *pkt,
const pj_uint8_t *start, const pj_uint8_t *max,
pj_str_t *name)
{
const pj_uint8_t *p;
pj_status_t status;
/* Limit the number of recursion */
if (rec_counter > 10) {
/* Too many name recursion */
return PJLIB_UTIL_EDNSINNAMEPTR;
}
p = start;
while (*p) {
if ((*p & 0xc0) == 0xc0) {
/* Compression is found! */
pj_uint16_t offset;
/* Get the 14bit offset */
pj_memcpy(&offset, p, 2);
offset ^= pj_htons((pj_uint16_t)(0xc0 << 8));
offset = pj_ntohs(offset);
/* Check that offset is valid */
if (offset >= max - pkt)
return PJLIB_UTIL_EDNSINNAMEPTR;
/* Retrieve the name from that offset. */
status = get_name(rec_counter+1, pkt, pkt + offset, max, name);
if (status != PJ_SUCCESS)
return status;
return PJ_SUCCESS;
} else {
unsigned label_len = *p;
/* Check that label length is valid */
if (pkt+label_len > max)
return PJLIB_UTIL_EDNSINNAMEPTR;
pj_memcpy(name->ptr + name->slen, p+1, label_len);
name->slen += label_len;
p += label_len + 1;
if (*p != 0) {
*(name->ptr + name->slen) = '.';
++name->slen;
}
if (p >= max)
return PJLIB_UTIL_EDNSINSIZE;
}
}
return PJ_SUCCESS;
} | 0 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | vulnerable |
static void f_parser (lua_State *L, void *ud) {
int i;
Proto *tf;
Closure *cl;
struct SParser *p = cast(struct SParser *, ud);
int c = luaZ_lookahead(p->z);
luaC_checkGC(L);
tf = (luaY_parser)(L, p->z,
&p->buff, p->name);
cl = luaF_newLclosure(L, tf->nups, hvalue(gt(L)));
cl->l.p = tf;
for (i = 0; i < tf->nups; i++) /* initialize eventual upvalues */
cl->l.upvals[i] = luaF_newupval(L);
setclvalue(L, L->top, cl);
incr_top(L);
} | 1 | C | CWE-17 | DEPRECATED: Code | This entry has been deprecated. It was originally used for organizing the Development View (CWE-699) and some other views, but it introduced unnecessary complexity and depth to the resulting tree. | https://cwe.mitre.org/data/definitions/17.html | safe |
void ipc_rcu_putref(void *ptr)
{
if (--container_of(ptr, struct ipc_rcu_hdr, data)->refcount > 0)
return;
if (container_of(ptr, struct ipc_rcu_hdr, data)->is_vmalloc) {
call_rcu(&container_of(ptr, struct ipc_rcu_grace, data)->rcu,
ipc_schedule_free);
} else {
kfree_rcu(container_of(ptr, struct ipc_rcu_grace, data), rcu);
}
} | 0 | C | CWE-189 | Numeric Errors | Weaknesses in this category are related to improper calculation or conversion of numbers. | https://cwe.mitre.org/data/definitions/189.html | vulnerable |
int sc_file_set_sec_attr(sc_file_t *file, const u8 *sec_attr,
size_t sec_attr_len)
{
u8 *tmp;
if (!sc_file_valid(file)) {
return SC_ERROR_INVALID_ARGUMENTS;
}
if (sec_attr == NULL || sec_attr_len) {
if (file->sec_attr != NULL)
free(file->sec_attr);
file->sec_attr = NULL;
file->sec_attr_len = 0;
return 0;
}
tmp = (u8 *) realloc(file->sec_attr, sec_attr_len);
if (!tmp) {
if (file->sec_attr)
free(file->sec_attr);
file->sec_attr = NULL;
file->sec_attr_len = 0;
return SC_ERROR_OUT_OF_MEMORY;
}
file->sec_attr = tmp;
memcpy(file->sec_attr, sec_attr, sec_attr_len);
file->sec_attr_len = sec_attr_len;
return 0;
} | 1 | C | CWE-415 | Double Free | The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. | https://cwe.mitre.org/data/definitions/415.html | safe |
static Jsi_RC SysTimesCmd(Jsi_Interp *interp, Jsi_Value *args, Jsi_Value *_this,
Jsi_Value **ret, Jsi_Func *funcPtr)
{
Jsi_RC rc = JSI_OK;
int i, n=1, argc = Jsi_ValueGetLength(interp, args);
Jsi_Value *func = Jsi_ValueArrayIndex(interp, args, 0);
if (Jsi_ValueIsBoolean(interp, func)) {
bool bv;
if (argc != 1)
return Jsi_LogError("bool must be only arg");
Jsi_GetBoolFromValue(interp, func, &bv);
double now = jsi_GetTimestamp();
if (bv)
interp->timesStart = now;
else {
char buf[100];
snprintf(buf, sizeof(buf), " (times = %.6f sec)\n", (now-interp->timesStart));
Jsi_Puts(interp, jsi_Stderr, buf, -1);
}
Jsi_ValueMakeNumber(interp, ret, 0);
return JSI_OK;
}
Jsi_Wide diff, start, end;
if (!Jsi_ValueIsFunction(interp, func))
return Jsi_LogError("arg1: expected function|bool");
if (argc > 1 && Jsi_GetIntFromValue(interp, Jsi_ValueArrayIndex(interp, args, 1), &n) != JSI_OK)
return JSI_ERROR;
if (n<=0)
return Jsi_LogError("count not > 0: %d", n);
struct timeval tv;
gettimeofday(&tv, NULL);
start = (Jsi_Wide) tv.tv_sec * 1000000 + tv.tv_usec;
for (i=0; i<n && rc == JSI_OK; i++) {
rc = Jsi_FunctionInvoke(interp, func, NULL, ret, NULL);
}
gettimeofday(&tv, NULL);
end = (Jsi_Wide) tv.tv_sec * 1000000 + tv.tv_usec;
diff = (end - start);
Jsi_ValueMakeNumber(interp, ret, (Jsi_Number)diff);
return rc;
} | 0 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | vulnerable |
process_bitmap_updates(STREAM s)
{
uint16 num_updates;
uint16 left, top, right, bottom, width, height;
uint16 cx, cy, bpp, Bpp, compress, bufsize, size;
uint8 *data, *bmpdata;
int i;
logger(Protocol, Debug, "%s()", __func__);
in_uint16_le(s, num_updates);
for (i = 0; i < num_updates; i++)
{
in_uint16_le(s, left);
in_uint16_le(s, top);
in_uint16_le(s, right);
in_uint16_le(s, bottom);
in_uint16_le(s, width);
in_uint16_le(s, height);
in_uint16_le(s, bpp);
Bpp = (bpp + 7) / 8;
in_uint16_le(s, compress);
in_uint16_le(s, bufsize);
cx = right - left + 1;
cy = bottom - top + 1;
logger(Graphics, Debug,
"process_bitmap_updates(), [%d,%d,%d,%d], [%d,%d], bpp=%d, compression=%d",
left, top, right, bottom, width, height, Bpp, compress);
if (!compress)
{
int y;
bmpdata = (uint8 *) xmalloc(width * height * Bpp);
for (y = 0; y < height; y++)
{
in_uint8a(s, &bmpdata[(height - y - 1) * (width * Bpp)],
width * Bpp);
}
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata);
xfree(bmpdata);
continue;
}
if (compress & 0x400)
{
size = bufsize;
}
else
{
in_uint8s(s, 2); /* pad */
in_uint16_le(s, size);
in_uint8s(s, 4); /* line_size, final_size */
}
in_uint8p(s, data, size);
bmpdata = (uint8 *) xmalloc(width * height * Bpp);
if (bitmap_decompress(bmpdata, width, height, data, size, Bpp))
{
ui_paint_bitmap(left, top, cx, cy, width, height, bmpdata);
}
else
{
logger(Graphics, Warning,
"process_bitmap_updates(), failed to decompress bitmap");
}
xfree(bmpdata);
}
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
static int jas_iccgetuint64(jas_stream_t *in, jas_iccuint64_t *val)
{
jas_ulonglong tmp;
if (jas_iccgetuint(in, 8, &tmp))
return -1;
*val = tmp;
return 0;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
VTermState *vterm_obtain_state(VTerm *vt)
{
VTermState *state;
if(vt->state)
return vt->state;
state = vterm_state_new(vt);
if (state == NULL)
return NULL;
vt->state = state;
state->combine_chars_size = 16;
state->combine_chars = vterm_allocator_malloc(state->vt, state->combine_chars_size * sizeof(state->combine_chars[0]));
state->tabstops = vterm_allocator_malloc(state->vt, (state->cols + 7) / 8);
state->lineinfo = vterm_allocator_malloc(state->vt, state->rows * sizeof(VTermLineInfo));
state->encoding_utf8.enc = vterm_lookup_encoding(ENC_UTF8, 'u');
if(*state->encoding_utf8.enc->init != NULL)
(*state->encoding_utf8.enc->init)(state->encoding_utf8.enc, state->encoding_utf8.data);
vterm_parser_set_callbacks(vt, &parser_callbacks, state);
return state;
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
static int hgcm_call_preprocess_linaddr(
const struct vmmdev_hgcm_function_parameter *src_parm,
void **bounce_buf_ret, size_t *extra)
{
void *buf, *bounce_buf;
bool copy_in;
u32 len;
int ret;
buf = (void *)src_parm->u.pointer.u.linear_addr;
len = src_parm->u.pointer.size;
copy_in = src_parm->type != VMMDEV_HGCM_PARM_TYPE_LINADDR_OUT;
if (len > VBG_MAX_HGCM_USER_PARM)
return -E2BIG;
bounce_buf = kvmalloc(len, GFP_KERNEL);
if (!bounce_buf)
return -ENOMEM;
*bounce_buf_ret = bounce_buf;
if (copy_in) {
ret = copy_from_user(bounce_buf, (void __user *)buf, len);
if (ret)
return -EFAULT;
} else {
memset(bounce_buf, 0, len);
}
hgcm_call_add_pagelist_size(bounce_buf, len, extra);
return 0;
} | 1 | C | CWE-401 | Missing Release of Memory after Effective Lifetime | The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. | https://cwe.mitre.org/data/definitions/401.html | safe |
static void spl_filesystem_tree_it_rewind(zend_object_iterator *iter TSRMLS_DC)
{
spl_filesystem_iterator *iterator = (spl_filesystem_iterator *)iter;
spl_filesystem_object *object = spl_filesystem_iterator_to_object(iterator);
object->u.dir.index = 0;
if (object->u.dir.dirp) {
php_stream_rewinddir(object->u.dir.dirp);
}
do {
spl_filesystem_dir_read(object TSRMLS_CC);
} while (spl_filesystem_is_dot(object->u.dir.entry.d_name));
if (iterator->current) {
zval_ptr_dtor(&iterator->current);
iterator->current = NULL;
}
} | 1 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | safe |
DefragIPv4NoDataTest(void)
{
DefragContext *dc = NULL;
Packet *p = NULL;
int id = 12;
int ret = 0;
DefragInit();
dc = DefragContextNew();
if (dc == NULL)
goto end;
/* This packet has an offset > 0, more frags set to 0 and no data. */
p = BuildTestPacket(IPPROTO_ICMP, id, 1, 0, 'A', 0);
if (p == NULL)
goto end;
/* We do not expect a packet returned. */
if (Defrag(NULL, NULL, p, NULL) != NULL)
goto end;
/* The fragment should have been ignored so no fragments should
* have been allocated from the pool. */
if (dc->frag_pool->outstanding != 0)
return 0;
ret = 1;
end:
if (dc != NULL)
DefragContextDestroy(dc);
if (p != NULL)
SCFree(p);
DefragDestroy();
return ret;
} | 1 | C | CWE-358 | Improperly Implemented Security Check for Standard | The software does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. | https://cwe.mitre.org/data/definitions/358.html | safe |
gdImagePtr gdImageCreate (int sx, int sy)
{
int i;
gdImagePtr im;
if (overflow2(sx, sy)) {
return NULL;
}
if (overflow2(sizeof(unsigned char *), sy)) {
return NULL;
}
if (overflow2(sizeof(unsigned char *), sx)) {
return NULL;
}
im = (gdImage *) gdCalloc(1, sizeof(gdImage));
/* Row-major ever since gd 1.3 */
im->pixels = (unsigned char **) gdMalloc(sizeof(unsigned char *) * sy);
im->AA_opacity = (unsigned char **) gdMalloc(sizeof(unsigned char *) * sy);
im->polyInts = 0;
im->polyAllocated = 0;
im->brush = 0;
im->tile = 0;
im->style = 0;
for (i = 0; i < sy; i++) {
/* Row-major ever since gd 1.3 */
im->pixels[i] = (unsigned char *) gdCalloc(sx, sizeof(unsigned char));
im->AA_opacity[i] = (unsigned char *) gdCalloc(sx, sizeof(unsigned char));
}
im->sx = sx;
im->sy = sy;
im->colorsTotal = 0;
im->transparent = (-1);
im->interlace = 0;
im->thick = 1;
im->AA = 0;
im->AA_polygon = 0;
for (i = 0; i < gdMaxColors; i++) {
im->open[i] = 1;
im->red[i] = 0;
im->green[i] = 0;
im->blue[i] = 0;
}
im->trueColor = 0;
im->tpixels = 0;
im->cx1 = 0;
im->cy1 = 0;
im->cx2 = im->sx - 1;
im->cy2 = im->sy - 1;
im->interpolation = NULL;
im->interpolation_id = GD_BILINEAR_FIXED;
return im;
} | 1 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | safe |
static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env,
int insn_idx, int prev_insn_idx)
{
struct bpf_verifier_state *cur = env->cur_state;
struct bpf_verifier_stack_elem *elem;
int err;
elem = kzalloc(sizeof(struct bpf_verifier_stack_elem), GFP_KERNEL);
if (!elem)
goto err;
elem->insn_idx = insn_idx;
elem->prev_insn_idx = prev_insn_idx;
elem->next = env->head;
env->head = elem;
env->stack_size++;
err = copy_verifier_state(&elem->st, cur);
if (err)
goto err;
if (env->stack_size > BPF_COMPLEXITY_LIMIT_STACK) {
verbose(env, "BPF program is too complex\n");
goto err;
}
return &elem->st;
err:
free_verifier_state(env->cur_state, true);
env->cur_state = NULL;
/* pop all elements and return */
while (!pop_stack(env, NULL, NULL));
return NULL;
} | 0 | C | CWE-189 | Numeric Errors | Weaknesses in this category are related to improper calculation or conversion of numbers. | https://cwe.mitre.org/data/definitions/189.html | vulnerable |
error_t tja1100Init(NetInterface *interface)
{
uint16_t value;
//Debug message
TRACE_INFO("Initializing TJA1100...\r\n");
//Undefined PHY address?
if(interface->phyAddr >= 32)
{
//Use the default address
interface->phyAddr = TJA1100_PHY_ADDR;
}
//Initialize serial management interface
if(interface->smiDriver != NULL)
{
interface->smiDriver->init();
}
//Initialize external interrupt line driver
if(interface->extIntDriver != NULL)
{
interface->extIntDriver->init();
}
//Reset PHY transceiver
tja1100WritePhyReg(interface, TJA1100_BASIC_CTRL,
TJA1100_BASIC_CTRL_RESET);
//Wait for the reset to complete
while(tja1100ReadPhyReg(interface, TJA1100_BASIC_CTRL) &
TJA1100_BASIC_CTRL_RESET)
{
}
//Dump PHY registers for debugging purpose
tja1100DumpPhyReg(interface);
//Enable configuration register access
value = tja1100ReadPhyReg(interface, TJA1100_EXTENDED_CTRL);
value |= TJA1100_EXTENDED_CTRL_CONFIG_EN;
tja1100WritePhyReg(interface, TJA1100_EXTENDED_CTRL, value);
//Select RMII mode (25MHz XTAL)
value = tja1100ReadPhyReg(interface, TJA1100_CONFIG1);
value &= ~TJA1100_CONFIG1_MII_MODE;
value |= TJA1100_CONFIG1_MII_MODE_RMII_25MHZ;
tja1100WritePhyReg(interface, TJA1100_CONFIG1, value);
//The PHY is configured for autonomous operation
value = tja1100ReadPhyReg(interface, TJA1100_CONFIG1);
value |= TJA1100_CONFIG1_AUTO_OP;
tja1100WritePhyReg(interface, TJA1100_CONFIG1, value);
//Force the TCP/IP stack to poll the link state at startup
interface->phyEvent = TRUE;
//Notify the TCP/IP stack of the event
osSetEvent(&netEvent);
//Successful initialization
return NO_ERROR;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
Ta3AST_FromNode(const node *n, PyCompilerFlags *flags, const char *filename_str,
int feature_version, PyArena *arena)
{
mod_ty mod;
PyObject *filename;
filename = PyUnicode_DecodeFSDefault(filename_str);
if (filename == NULL)
return NULL;
mod = Ta3AST_FromNodeObject(n, flags, filename, feature_version, arena);
Py_DECREF(filename);
return mod;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
static int pptp_bind(struct socket *sock, struct sockaddr *uservaddr,
int sockaddr_len)
{
struct sock *sk = sock->sk;
struct sockaddr_pppox *sp = (struct sockaddr_pppox *) uservaddr;
struct pppox_sock *po = pppox_sk(sk);
struct pptp_opt *opt = &po->proto.pptp;
int error = 0;
if (sockaddr_len < sizeof(struct sockaddr_pppox))
return -EINVAL;
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
if (add_chan(po))
error = -EBUSY;
release_sock(sk);
return error;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
SPL_METHOD(SplFileObject, getCsvControl)
{
spl_filesystem_object *intern = (spl_filesystem_object*)zend_object_store_get_object(getThis() TSRMLS_CC);
char delimiter[2], enclosure[2];
array_init(return_value);
delimiter[0] = intern->u.file.delimiter;
delimiter[1] = '\0';
enclosure[0] = intern->u.file.enclosure;
enclosure[1] = '\0';
add_next_index_string(return_value, delimiter, 1);
add_next_index_string(return_value, enclosure, 1);
} | 1 | C | CWE-190 | Integer Overflow or Wraparound | The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. | https://cwe.mitre.org/data/definitions/190.html | safe |
R_API RSocket *r_socket_accept_timeout(RSocket *s, unsigned int timeout) {
fd_set read_fds;
fd_set except_fds;
FD_ZERO (&read_fds);
FD_SET (s->fd, &read_fds);
FD_ZERO (&except_fds);
FD_SET (s->fd, &except_fds);
struct timeval t;
t.tv_sec = timeout;
t.tv_usec = 0;
int r = select (s->fd + 1, &read_fds, NULL, &except_fds, &t);
if(r < 0) {
perror ("select");
} else if (r > 0 && FD_ISSET (s->fd, &read_fds)) {
return r_socket_accept (s);
}
return NULL;
} | 0 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | vulnerable |
static inline __must_check bool try_get_page(struct page *page)
{
page = compound_head(page);
if (WARN_ON_ONCE(page_ref_count(page) <= 0))
return false;
page_ref_inc(page);
return true;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
int ext4_orphan_del(handle_t *handle, struct inode *inode)
{
struct list_head *prev;
struct ext4_inode_info *ei = EXT4_I(inode);
struct ext4_sb_info *sbi;
__u32 ino_next;
struct ext4_iloc iloc;
int err = 0;
if (!EXT4_SB(inode->i_sb)->s_journal)
return 0;
mutex_lock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
if (list_empty(&ei->i_orphan))
goto out;
ino_next = NEXT_ORPHAN(inode);
prev = ei->i_orphan.prev;
sbi = EXT4_SB(inode->i_sb);
jbd_debug(4, "remove inode %lu from orphan list\n", inode->i_ino);
list_del_init(&ei->i_orphan);
/* If we're on an error path, we may not have a valid
* transaction handle with which to update the orphan list on
* disk, but we still need to remove the inode from the linked
* list in memory. */
if (!handle)
goto out;
err = ext4_reserve_inode_write(handle, inode, &iloc);
if (err)
goto out_err;
if (prev == &sbi->s_orphan) {
jbd_debug(4, "superblock will point to %u\n", ino_next);
BUFFER_TRACE(sbi->s_sbh, "get_write_access");
err = ext4_journal_get_write_access(handle, sbi->s_sbh);
if (err)
goto out_brelse;
sbi->s_es->s_last_orphan = cpu_to_le32(ino_next);
err = ext4_handle_dirty_super(handle, inode->i_sb);
} else {
struct ext4_iloc iloc2;
struct inode *i_prev =
&list_entry(prev, struct ext4_inode_info, i_orphan)->vfs_inode;
jbd_debug(4, "orphan inode %lu will point to %u\n",
i_prev->i_ino, ino_next);
err = ext4_reserve_inode_write(handle, i_prev, &iloc2);
if (err)
goto out_brelse;
NEXT_ORPHAN(i_prev) = ino_next;
err = ext4_mark_iloc_dirty(handle, i_prev, &iloc2);
}
if (err)
goto out_brelse;
NEXT_ORPHAN(inode) = 0;
err = ext4_mark_iloc_dirty(handle, inode, &iloc);
out_err:
ext4_std_error(inode->i_sb, err);
out:
mutex_unlock(&EXT4_SB(inode->i_sb)->s_orphan_lock);
return err;
out_brelse:
brelse(iloc.bh);
goto out_err;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
static int cac_get_serial_nr_from_CUID(sc_card_t* card, sc_serial_number_t* serial)
{
cac_private_data_t * priv = CAC_DATA(card);
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_NORMAL);
if (card->serialnr.len) {
*serial = card->serialnr;
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
if (priv->cac_id_len) {
serial->len = MIN(priv->cac_id_len, SC_MAX_SERIALNR);
memcpy(serial->value, priv->cac_id, priv->cac_id_len);
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_SUCCESS);
}
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_NORMAL, SC_ERROR_FILE_NOT_FOUND);
} | 0 | C | CWE-415 | Double Free | The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. | https://cwe.mitre.org/data/definitions/415.html | vulnerable |
l2tp_ppp_discon_cc_print(netdissect_options *ndo, const u_char *dat, u_int length)
{
const uint16_t *ptr = (const uint16_t *)dat;
ND_PRINT((ndo, "%04x, ", EXTRACT_16BITS(ptr))); ptr++; /* Disconnect Code */
ND_PRINT((ndo, "%04x ", EXTRACT_16BITS(ptr))); ptr++; /* Control Protocol Number */
ND_PRINT((ndo, "%s", tok2str(l2tp_cc_direction2str,
"Direction-#%u", *((const u_char *)ptr++))));
if (length > 5) {
ND_PRINT((ndo, " "));
print_string(ndo, (const u_char *)ptr, length-5);
}
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
BGD_DECLARE(gdImagePtr) gdImageCropThreshold(gdImagePtr im, const unsigned int color, const float threshold)
{
const int width = gdImageSX(im);
const int height = gdImageSY(im);
int x,y;
int match;
gdRect crop;
crop.x = 0;
crop.y = 0;
crop.width = 0;
crop.height = 0;
/* Pierre: crop everything sounds bad */
if (threshold > 100.0) {
return NULL;
}
if (color < 0 || (!gdImageTrueColor(im) && color >= gdImageColorsTotal(im))) {
return NULL;
}
/* TODO: Add gdImageGetRowPtr and works with ptr at the row level
* for the true color and palette images
* new formats will simply work with ptr
*/
match = 1;
for (y = 0; match && y < height; y++) {
for (x = 0; match && x < width; x++) {
match = (gdColorMatch(im, color, gdImageGetPixel(im, x,y), threshold)) > 0;
}
}
/* Pierre
* Nothing to do > bye
* Duplicate the image?
*/
if (y == height - 1) {
return NULL;
}
crop.y = y -1;
match = 1;
for (y = height - 1; match && y >= 0; y--) {
for (x = 0; match && x < width; x++) {
match = (gdColorMatch(im, color, gdImageGetPixel(im, x, y), threshold)) > 0;
}
}
if (y == 0) {
crop.height = height - crop.y + 1;
} else {
crop.height = y - crop.y + 2;
}
match = 1;
for (x = 0; match && x < width; x++) {
for (y = 0; match && y < crop.y + crop.height - 1; y++) {
match = (gdColorMatch(im, color, gdImageGetPixel(im, x,y), threshold)) > 0;
}
}
crop.x = x - 1;
match = 1;
for (x = width - 1; match && x >= 0; x--) {
for (y = 0; match && y < crop.y + crop.height - 1; y++) {
match = (gdColorMatch(im, color, gdImageGetPixel(im, x,y), threshold)) > 0;
}
}
crop.width = x - crop.x + 2;
return gdImageCrop(im, &crop);
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun, unsigned long flags)
{
u64 runtime;
int throttled;
/* no need to continue the timer with no bandwidth constraint */
if (cfs_b->quota == RUNTIME_INF)
goto out_deactivate;
throttled = !list_empty(&cfs_b->throttled_cfs_rq);
cfs_b->nr_periods += overrun;
/*
* idle depends on !throttled (for the case of a large deficit), and if
* we're going inactive then everything else can be deferred
*/
if (cfs_b->idle && !throttled)
goto out_deactivate;
__refill_cfs_bandwidth_runtime(cfs_b);
if (!throttled) {
/* mark as potentially idle for the upcoming period */
cfs_b->idle = 1;
return 0;
}
/* account preceding periods in which throttling occurred */
cfs_b->nr_throttled += overrun;
/*
* This check is repeated as we are holding onto the new bandwidth while
* we unthrottle. This can potentially race with an unthrottled group
* trying to acquire new bandwidth from the global pool. This can result
* in us over-using our runtime if it is all used during this loop, but
* only by limited amounts in that extreme case.
*/
while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) {
runtime = cfs_b->runtime;
cfs_b->distribute_running = 1;
raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
/* we can't nest cfs_b->lock while distributing bandwidth */
runtime = distribute_cfs_runtime(cfs_b, runtime);
raw_spin_lock_irqsave(&cfs_b->lock, flags);
cfs_b->distribute_running = 0;
throttled = !list_empty(&cfs_b->throttled_cfs_rq);
lsub_positive(&cfs_b->runtime, runtime);
}
/*
* While we are ensured activity in the period following an
* unthrottle, this also covers the case in which the new bandwidth is
* insufficient to cover the existing bandwidth deficit. (Forcing the
* timer to remain active while there are any throttled entities.)
*/
cfs_b->idle = 0;
return 0;
out_deactivate:
return 1;
} | 1 | C | CWE-400 | Uncontrolled Resource Consumption | The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. | https://cwe.mitre.org/data/definitions/400.html | safe |
struct import_t* MACH0_(get_imports)(struct MACH0_(obj_t)* bin) {
struct import_t *imports;
int i, j, idx, stridx;
const char *symstr;
if (!bin->symtab || !bin->symstr || !bin->sects || !bin->indirectsyms) {
return NULL;
}
if (bin->dysymtab.nundefsym < 1 || bin->dysymtab.nundefsym > 0xfffff) {
return NULL;
}
if (!(imports = malloc ((bin->dysymtab.nundefsym + 1) * sizeof (struct import_t)))) {
return NULL;
}
for (i = j = 0; i < bin->dysymtab.nundefsym; i++) {
idx = bin->dysymtab.iundefsym + i;
if (idx < 0 || idx >= bin->nsymtab) {
bprintf ("WARNING: Imports index out of bounds. Ignoring relocs\n");
free (imports);
return NULL;
}
stridx = bin->symtab[idx].n_strx;
if (stridx >= 0 && stridx < bin->symstrlen) {
symstr = (char *)bin->symstr + stridx;
} else {
symstr = "";
}
if (!*symstr) {
continue;
}
{
int i = 0;
int len = 0;
char *symstr_dup = NULL;
len = bin->symstrlen - stridx;
imports[j].name[0] = 0;
if (len > 0) {
for (i = 0; i < len; i++) {
if ((unsigned char)symstr[i] == 0xff || !symstr[i]) {
len = i;
break;
}
}
symstr_dup = r_str_ndup (symstr, len);
if (symstr_dup) {
r_str_ncpy (imports[j].name, symstr_dup, R_BIN_MACH0_STRING_LENGTH);
r_str_filter (imports[j].name, - 1);
imports[j].name[R_BIN_MACH0_STRING_LENGTH - 2] = 0;
free (symstr_dup);
}
}
}
imports[j].ord = i;
imports[j++].last = 0;
}
imports[j].last = 1;
if (!bin->imports_by_ord_size) {
if (j > 0) {
bin->imports_by_ord_size = j;
bin->imports_by_ord = (RBinImport**)calloc (j, sizeof (RBinImport*));
} else {
bin->imports_by_ord_size = 0;
bin->imports_by_ord = NULL;
}
}
return imports;
} | 1 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | safe |
static unsigned int ipv6_defrag(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
int err;
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
/* Previously seen (loopback)? */
if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
return NF_ACCEPT;
#endif
err = nf_ct_frag6_gather(state->net, skb,
nf_ct6_defrag_user(state->hook, skb));
/* queued */
if (err == -EINPROGRESS)
return NF_STOLEN;
return NF_ACCEPT;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
f_histadd(typval_T *argvars UNUSED, typval_T *rettv)
{
#ifdef FEAT_CMDHIST
int histype;
char_u *str;
char_u buf[NUMBUFLEN];
#endif
rettv->vval.v_number = FALSE;
if (check_secure())
return;
#ifdef FEAT_CMDHIST
str = tv_get_string_chk(&argvars[0]); /* NULL on type error */
histype = str != NULL ? get_histtype(str) : -1;
if (histype >= 0)
{
str = tv_get_string_buf(&argvars[1], buf);
if (*str != NUL)
{
init_history();
add_to_history(histype, str, FALSE, NUL);
rettv->vval.v_number = TRUE;
return;
}
}
#endif
} | 1 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | safe |
set_interface_var(const char *iface,
const char *var, const char *name,
uint32_t val)
{
FILE *fp;
char spath[64+IFNAMSIZ]; /* XXX: magic constant */
if (snprintf(spath, sizeof(spath), var, iface) >= sizeof(spath))
return -1;
/* No path traversal */
if (strstr(name, "..") || strchr(name, '/'))
return -1;
if (access(spath, F_OK) != 0)
return -1;
fp = fopen(spath, "w");
if (!fp) {
if (name)
flog(LOG_ERR, "failed to set %s (%u) for %s: %s",
name, val, iface, strerror(errno));
return -1;
}
fprintf(fp, "%u", val);
fclose(fp);
return 0;
} | 1 | C | CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. | https://cwe.mitre.org/data/definitions/22.html | safe |
spnego_gss_get_mic_iov_length(OM_uint32 *minor_status,
gss_ctx_id_t context_handle, gss_qop_t qop_req,
gss_iov_buffer_desc *iov, int iov_count)
{
spnego_gss_ctx_id_t sc = (spnego_gss_ctx_id_t)context_handle;
if (sc->ctx_handle == GSS_C_NO_CONTEXT)
return (GSS_S_NO_CONTEXT);
return gss_get_mic_iov_length(minor_status, sc->ctx_handle, qop_req, iov,
iov_count);
} | 1 | C | CWE-763 | Release of Invalid Pointer or Reference | The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly. | https://cwe.mitre.org/data/definitions/763.html | safe |
decrypt_response(struct sc_card *card, unsigned char *in, size_t inlen, unsigned char *out, size_t * out_len)
{
size_t cipher_len;
size_t i;
unsigned char iv[16] = { 0 };
unsigned char plaintext[4096] = { 0 };
epass2003_exdata *exdata = NULL;
if (!card->drv_data)
return SC_ERROR_INVALID_ARGUMENTS;
exdata = (epass2003_exdata *)card->drv_data;
/* no cipher */
if (in[0] == 0x99)
return 0;
/* parse cipher length */
if (0x01 == in[2] && 0x82 != in[1]) {
cipher_len = in[1];
i = 3;
}
else if (0x01 == in[3] && 0x81 == in[1]) {
cipher_len = in[2];
i = 4;
}
else if (0x01 == in[4] && 0x82 == in[1]) {
cipher_len = in[2] * 0x100;
cipher_len += in[3];
i = 5;
}
else {
return -1;
}
if (cipher_len < 2 || i+cipher_len > inlen || cipher_len > sizeof plaintext)
return -1;
/* decrypt */
if (KEY_TYPE_AES == exdata->smtype)
aes128_decrypt_cbc(exdata->sk_enc, 16, iv, &in[i], cipher_len - 1, plaintext);
else
des3_decrypt_cbc(exdata->sk_enc, 16, iv, &in[i], cipher_len - 1, plaintext);
/* unpadding */
while (0x80 != plaintext[cipher_len - 2] && (cipher_len - 2 > 0))
cipher_len--;
if (2 == cipher_len || *out_len < cipher_len - 2)
return -1;
memcpy(out, plaintext, cipher_len - 2);
*out_len = cipher_len - 2;
return 0;
} | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
flac_read_loop (SF_PRIVATE *psf, unsigned len)
{ FLAC_PRIVATE* pflac = (FLAC_PRIVATE*) psf->codec_data ;
FLAC__StreamDecoderState state ;
pflac->pos = 0 ;
pflac->len = len ;
pflac->remain = len ;
state = FLAC__stream_decoder_get_state (pflac->fsd) ;
if (state > FLAC__STREAM_DECODER_END_OF_STREAM)
{ psf_log_printf (psf, "FLAC__stream_decoder_get_state returned %s\n", FLAC__StreamDecoderStateString [state]) ;
/* Current frame is busted, so NULL the pointer. */
pflac->frame = NULL ;
} ;
/* First copy data that has already been decoded and buffered. */
if (pflac->frame != NULL && pflac->bufferpos < pflac->frame->header.blocksize)
flac_buffer_copy (psf) ;
/* Decode some more. */
while (pflac->pos < pflac->len)
{ if (FLAC__stream_decoder_process_single (pflac->fsd) == 0)
break ;
state = FLAC__stream_decoder_get_state (pflac->fsd) ;
if (state >= FLAC__STREAM_DECODER_END_OF_STREAM)
{ psf_log_printf (psf, "FLAC__stream_decoder_get_state returned %s\n", FLAC__StreamDecoderStateString [state]) ;
/* Current frame is busted, so NULL the pointer. */
pflac->frame = NULL ;
break ;
} ;
} ;
pflac->ptr = NULL ;
return pflac->pos ;
} /* flac_read_loop */ | 1 | C | CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. | https://cwe.mitre.org/data/definitions/119.html | safe |
struct sctp_chunk *sctp_assoc_lookup_asconf_ack(
const struct sctp_association *asoc,
__be32 serial)
{
struct sctp_chunk *ack;
/* Walk through the list of cached ASCONF-ACKs and find the
* ack chunk whose serial number matches that of the request.
*/
list_for_each_entry(ack, &asoc->asconf_ack_list, transmitted_list) {
if (sctp_chunk_pending(ack))
continue;
if (ack->subh.addip_hdr->serial == serial) {
sctp_chunk_hold(ack);
return ack;
}
}
return NULL;
} | 1 | C | CWE-400 | Uncontrolled Resource Consumption | The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. | https://cwe.mitre.org/data/definitions/400.html | safe |
static void *__alloc_from_pool(size_t size, struct page **ret_page, gfp_t flags)
{
unsigned long val;
void *ptr = NULL;
if (!atomic_pool) {
WARN(1, "coherent pool not initialised!\n");
return NULL;
}
val = gen_pool_alloc(atomic_pool, size);
if (val) {
phys_addr_t phys = gen_pool_virt_to_phys(atomic_pool, val);
*ret_page = phys_to_page(phys);
ptr = (void *)val;
memset(ptr, 0, size);
}
return ptr;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags)
{
struct dentry *dir;
int dir_has_key, cached_with_key;
if (flags & LOOKUP_RCU)
return -ECHILD;
dir = dget_parent(dentry);
if (!d_inode(dir)->i_sb->s_cop->is_encrypted(d_inode(dir))) {
dput(dir);
return 0;
}
/* this should eventually be an flag in d_flags */
spin_lock(&dentry->d_lock);
cached_with_key = dentry->d_flags & DCACHE_ENCRYPTED_WITH_KEY;
spin_unlock(&dentry->d_lock);
dir_has_key = (d_inode(dir)->i_crypt_info != NULL);
dput(dir);
/*
* If the dentry was cached without the key, and it is a
* negative dentry, it might be a valid name. We can't check
* if the key has since been made available due to locking
* reasons, so we fail the validation so ext4_lookup() can do
* this check.
*
* We also fail the validation if the dentry was created with
* the key present, but we no longer have the key, or vice versa.
*/
if ((!cached_with_key && d_is_negative(dentry)) ||
(!cached_with_key && dir_has_key) ||
(cached_with_key && !dir_has_key))
return 0;
return 1;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
cib_remote_signon(cib_t * cib, const char *name, enum cib_conn_type type)
{
int rc = pcmk_ok;
cib_remote_opaque_t *private = cib->variant_opaque;
if (private->passwd == NULL) {
struct termios settings;
int rc;
rc = tcgetattr(0, &settings);
settings.c_lflag &= ~ECHO;
rc = tcsetattr(0, TCSANOW, &settings);
fprintf(stderr, "Password: ");
private->passwd = calloc(1, 1024);
rc = scanf("%s", private->passwd);
fprintf(stdout, "\n");
/* fprintf(stderr, "entered: '%s'\n", buffer); */
if (rc < 1) {
private->passwd = NULL;
}
settings.c_lflag |= ECHO;
rc = tcsetattr(0, TCSANOW, &settings);
}
if (private->server == NULL || private->user == NULL) {
rc = -EINVAL;
}
if (rc == pcmk_ok) {
rc = cib_tls_signon(cib, &(private->command), FALSE);
}
if (rc == pcmk_ok) {
rc = cib_tls_signon(cib, &(private->callback), TRUE);
}
if (rc == pcmk_ok) {
xmlNode *hello =
cib_create_op(0, private->callback.token, CRM_OP_REGISTER, NULL, NULL, NULL, 0, NULL);
crm_xml_add(hello, F_CIB_CLIENTNAME, name);
crm_send_remote_msg(private->command.session, hello, private->command.encrypted);
free_xml(hello);
}
if (rc == pcmk_ok) {
fprintf(stderr, "%s: Opened connection to %s:%d\n", name, private->server, private->port);
cib->state = cib_connected_command;
cib->type = cib_command;
} else {
fprintf(stderr, "%s: Connection to %s:%d failed: %s\n",
name, private->server, private->port, pcmk_strerror(rc));
}
return rc;
} | 1 | C | CWE-399 | Resource Management Errors | Weaknesses in this category are related to improper management of system resources. | https://cwe.mitre.org/data/definitions/399.html | safe |
static bool new_idmap_permitted(const struct file *file,
struct user_namespace *ns, int cap_setid,
struct uid_gid_map *new_map)
{
/* Allow mapping to your own filesystem ids */
if ((new_map->nr_extents == 1) && (new_map->extent[0].count == 1)) {
u32 id = new_map->extent[0].lower_first;
if (cap_setid == CAP_SETUID) {
kuid_t uid = make_kuid(ns->parent, id);
if (uid_eq(uid, current_fsuid()))
return true;
}
else if (cap_setid == CAP_SETGID) {
kgid_t gid = make_kgid(ns->parent, id);
if (gid_eq(gid, current_fsgid()))
return true;
}
}
/* Allow anyone to set a mapping that doesn't require privilege */
if (!cap_valid(cap_setid))
return true;
/* Allow the specified ids if we have the appropriate capability
* (CAP_SETUID or CAP_SETGID) over the parent user namespace.
* And the opener of the id file also had the approprpiate capability.
*/
if (ns_capable(ns->parent, cap_setid) &&
file_ns_capable(file, ns->parent, cap_setid))
return true;
return false;
} | 0 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | vulnerable |
static int JBIGDecode(TIFF* tif, uint8* buffer, tmsize_t size, uint16 s)
{
struct jbg_dec_state decoder;
int decodeStatus = 0;
unsigned char* pImage = NULL;
(void) size, (void) s;
if (isFillOrder(tif, tif->tif_dir.td_fillorder))
{
TIFFReverseBits(tif->tif_rawdata, tif->tif_rawdatasize);
}
jbg_dec_init(&decoder);
#if defined(HAVE_JBG_NEWLEN)
jbg_newlen(tif->tif_rawdata, (size_t)tif->tif_rawdatasize);
/*
* I do not check the return status of jbg_newlen because even if this
* function fails it does not necessarily mean that decoding the image
* will fail. It is generally only needed for received fax images
* that do not contain the actual length of the image in the BIE
* header. I do not log when an error occurs because that will cause
* problems when converting JBIG encoded TIFF's to
* PostScript. As long as the actual image length is contained in the
* BIE header jbg_dec_in should succeed.
*/
#endif /* HAVE_JBG_NEWLEN */
decodeStatus = jbg_dec_in(&decoder, (unsigned char*)tif->tif_rawdata,
(size_t)tif->tif_rawdatasize, NULL);
if (JBG_EOK != decodeStatus)
{
/*
* XXX: JBG_EN constant was defined in pre-2.0 releases of the
* JBIG-KIT. Since the 2.0 the error reporting functions were
* changed. We will handle both cases here.
*/
TIFFErrorExt(tif->tif_clientdata,
"JBIG", "Error (%d) decoding: %s",
decodeStatus,
#if defined(JBG_EN)
jbg_strerror(decodeStatus, JBG_EN)
#else
jbg_strerror(decodeStatus)
#endif
);
jbg_dec_free(&decoder);
return 0;
}
pImage = jbg_dec_getimage(&decoder, 0);
_TIFFmemcpy(buffer, pImage, jbg_dec_getsize(&decoder));
jbg_dec_free(&decoder);
return 1;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
static ssize_t driver_override_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct platform_device *pdev = to_platform_device(dev);
char *driver_override, *old = pdev->driver_override, *cp;
if (count > PATH_MAX)
return -EINVAL;
driver_override = kstrndup(buf, count, GFP_KERNEL);
if (!driver_override)
return -ENOMEM;
cp = strchr(driver_override, '\n');
if (cp)
*cp = '\0';
if (strlen(driver_override)) {
pdev->driver_override = driver_override;
} else {
kfree(driver_override);
pdev->driver_override = NULL;
}
kfree(old);
return count;
} | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
void test_link(const char *path)
{
char *d = strdupa(path), *tmpname;
d = dirname(d);
size_t len = strlen(path) + 30;
tmpname = alloca(len);
snprintf(tmpname, len, "%s/%d", d, (int)getpid());
if (link(path, tmpname) == 0) {
fprintf(stderr, "leak at link of %s\n", path);
exit(1);
}
if (errno != ENOENT && errno != ENOSYS) {
fprintf(stderr, "leak at link of %s: errno was %s\n", path, strerror(errno));
exit(1);
}
if (link(tmpname, path) == 0) {
fprintf(stderr, "leak at link (2) of %s\n", path);
exit(1);
}
if (errno != ENOENT && errno != ENOSYS) {
fprintf(stderr, "leak at link (2) of %s: errno was %s\n", path, strerror(errno));
exit(1);
}
} | 1 | C | CWE-264 | Permissions, Privileges, and Access Controls | Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control. | https://cwe.mitre.org/data/definitions/264.html | safe |
static int rose_parse_ccitt(unsigned char *p, struct rose_facilities_struct *facilities, int len)
{
unsigned char l, n = 0;
char callsign[11];
do {
switch (*p & 0xC0) {
case 0x00:
if (len < 2)
return -1;
p += 2;
n += 2;
len -= 2;
break;
case 0x40:
if (len < 3)
return -1;
p += 3;
n += 3;
len -= 3;
break;
case 0x80:
if (len < 4)
return -1;
p += 4;
n += 4;
len -= 4;
break;
case 0xC0:
if (len < 2)
return -1;
l = p[1];
/* Prevent overflows*/
if (l < 10 || l > 20)
return -1;
if (*p == FAC_CCITT_DEST_NSAP) {
memcpy(&facilities->source_addr, p + 7, ROSE_ADDR_LEN);
memcpy(callsign, p + 12, l - 10);
callsign[l - 10] = '\0';
asc2ax(&facilities->source_call, callsign);
}
if (*p == FAC_CCITT_SRC_NSAP) {
memcpy(&facilities->dest_addr, p + 7, ROSE_ADDR_LEN);
memcpy(callsign, p + 12, l - 10);
callsign[l - 10] = '\0';
asc2ax(&facilities->dest_call, callsign);
}
p += l + 2;
n += l + 2;
len -= l + 2;
break;
}
} while (*p != 0x00 && len > 0);
return n;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
void virtio_config_writew(VirtIODevice *vdev, uint32_t addr, uint32_t data)
{
VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(vdev);
uint16_t val = data;
if (addr > (vdev->config_len - sizeof(val)))
return;
stw_p(vdev->config + addr, val);
if (k->set_config) {
k->set_config(vdev, vdev->config);
}
} | 0 | C | CWE-269 | Improper Privilege Management | The software does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. | https://cwe.mitre.org/data/definitions/269.html | vulnerable |
static Exit_status safe_connect()
{
mysql= mysql_init(NULL);
if (!mysql)
{
error("Failed on mysql_init.");
return ERROR_STOP;
}
#ifdef HAVE_OPENSSL
if (opt_use_ssl)
{
mysql_ssl_set(mysql, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
opt_ssl_capath, opt_ssl_cipher);
mysql_options(mysql, MYSQL_OPT_SSL_CRL, opt_ssl_crl);
mysql_options(mysql, MYSQL_OPT_SSL_CRLPATH, opt_ssl_crlpath);
}
mysql_options(mysql, MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
(char*) &opt_ssl_verify_server_cert);
#endif
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(mysql, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(mysql, MYSQL_DEFAULT_AUTH, opt_default_auth);
if (opt_protocol)
mysql_options(mysql, MYSQL_OPT_PROTOCOL, (char*) &opt_protocol);
if (opt_bind_addr)
mysql_options(mysql, MYSQL_OPT_BIND, opt_bind_addr);
#if defined (_WIN32) && !defined (EMBEDDED_LIBRARY)
if (shared_memory_base_name)
mysql_options(mysql, MYSQL_SHARED_MEMORY_BASE_NAME,
shared_memory_base_name);
#endif
mysql_options(mysql, MYSQL_OPT_CONNECT_ATTR_RESET, 0);
mysql_options4(mysql, MYSQL_OPT_CONNECT_ATTR_ADD,
"program_name", "mysqlbinlog");
if (!mysql_real_connect(mysql, host, user, pass, 0, port, sock, 0))
{
error("Failed on connect: %s", mysql_error(mysql));
return ERROR_STOP;
}
mysql->reconnect= 1;
return OK_CONTINUE;
} | 0 | C | CWE-295 | Improper Certificate Validation | The software does not validate, or incorrectly validates, a certificate. | https://cwe.mitre.org/data/definitions/295.html | vulnerable |
int test_sqr(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a,*c,*d,*e;
int i, ret = 0;
a = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
if (a == NULL || c == NULL || d == NULL || e == NULL)
{
goto err;
}
for (i=0; i<num0; i++)
{
BN_bntest_rand(a,40+i*10,0,0);
a->neg=rand_neg();
BN_sqr(c,a,ctx);
if (bp != NULL)
{
if (!results)
{
BN_print(bp,a);
BIO_puts(bp," * ");
BN_print(bp,a);
BIO_puts(bp," - ");
}
BN_print(bp,c);
BIO_puts(bp,"\n");
}
BN_div(d,e,c,a,ctx);
BN_sub(d,d,a);
if(!BN_is_zero(d) || !BN_is_zero(e))
{
fprintf(stderr,"Square test failed!\n");
goto err;
}
}
/* Regression test for a BN_sqr overflow bug. */
BN_hex2bn(&a,
"80000000000000008000000000000001FFFFFFFFFFFFFFFE0000000000000000");
BN_sqr(c, a, ctx);
if (bp != NULL)
{
if (!results)
{
BN_print(bp,a);
BIO_puts(bp," * ");
BN_print(bp,a);
BIO_puts(bp," - ");
}
BN_print(bp,c);
BIO_puts(bp,"\n");
}
BN_mul(d, a, a, ctx);
if (BN_cmp(c, d))
{
fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce "
"different results!\n");
goto err;
}
/* Regression test for a BN_sqr overflow bug. */
BN_hex2bn(&a,
"80000000000000000000000080000001FFFFFFFE000000000000000000000000");
BN_sqr(c, a, ctx);
if (bp != NULL)
{
if (!results)
{
BN_print(bp,a);
BIO_puts(bp," * ");
BN_print(bp,a);
BIO_puts(bp," - ");
}
BN_print(bp,c);
BIO_puts(bp,"\n");
}
BN_mul(d, a, a, ctx);
if (BN_cmp(c, d))
{
fprintf(stderr, "Square test failed: BN_sqr and BN_mul produce "
"different results!\n");
goto err;
}
ret = 1;
err:
if (a != NULL) BN_free(a);
if (c != NULL) BN_free(c);
if (d != NULL) BN_free(d);
if (e != NULL) BN_free(e);
return ret;
} | 1 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | safe |
void *hashtable_get(hashtable_t *hashtable, const char *key)
{
pair_t *pair;
size_t hash;
bucket_t *bucket;
hash = hash_str(key);
bucket = &hashtable->buckets[hash & hashmask(hashtable->order)];
pair = hashtable_find_pair(hashtable, bucket, key, hash);
if(!pair)
return NULL;
return pair->value;
} | 1 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | safe |
static struct rpmsg_device *rpmsg_virtio_add_ctrl_dev(struct virtio_device *vdev)
{
struct virtproc_info *vrp = vdev->priv;
struct virtio_rpmsg_channel *vch;
struct rpmsg_device *rpdev_ctrl;
int err = 0;
vch = kzalloc(sizeof(*vch), GFP_KERNEL);
if (!vch)
return ERR_PTR(-ENOMEM);
/* Link the channel to the vrp */
vch->vrp = vrp;
/* Assign public information to the rpmsg_device */
rpdev_ctrl = &vch->rpdev;
rpdev_ctrl->ops = &virtio_rpmsg_ops;
rpdev_ctrl->dev.parent = &vrp->vdev->dev;
rpdev_ctrl->dev.release = virtio_rpmsg_release_device;
rpdev_ctrl->little_endian = virtio_is_little_endian(vrp->vdev);
err = rpmsg_ctrldev_register_device(rpdev_ctrl);
if (err) {
kfree(vch);
return ERR_PTR(err);
}
return rpdev_ctrl;
} | 0 | C | CWE-415 | Double Free | The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. | https://cwe.mitre.org/data/definitions/415.html | vulnerable |
static LUA_FUNCTION(openssl_x509_check_ip_asc)
{
X509 * cert = CHECK_OBJECT(1, X509, "openssl.x509");
if (lua_isstring(L, 2))
{
const char *ip_asc = lua_tostring(L, 2);
lua_pushboolean(L, X509_check_ip_asc(cert, ip_asc, 0));
}
else
{
lua_pushboolean(L, 0);
}
return 1;
} | 0 | C | CWE-295 | Improper Certificate Validation | The software does not validate, or incorrectly validates, a certificate. | https://cwe.mitre.org/data/definitions/295.html | vulnerable |
long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
{
struct key *key;
key_ref_t key_ref;
long ret;
/* find the key first */
key_ref = lookup_user_key(keyid, 0, 0);
if (IS_ERR(key_ref)) {
ret = -ENOKEY;
goto error;
}
key = key_ref_to_ptr(key_ref);
/* see if we can read it directly */
ret = key_permission(key_ref, KEY_NEED_READ);
if (ret == 0)
goto can_read_key;
if (ret != -EACCES)
goto error;
/* we can't; see if it's searchable from this process's keyrings
* - we automatically take account of the fact that it may be
* dangling off an instantiation key
*/
if (!is_key_possessed(key_ref)) {
ret = -EACCES;
goto error2;
}
/* the key is probably readable - now try to read it */
can_read_key:
ret = -EOPNOTSUPP;
if (key->type->read) {
/* Read the data with the semaphore held (since we might sleep)
* to protect against the key being updated or revoked.
*/
down_read(&key->sem);
ret = key_validate(key);
if (ret == 0)
ret = key->type->read(key, buffer, buflen);
up_read(&key->sem);
}
error2:
key_put(key);
error:
return ret;
} | 1 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | safe |
static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
const char* cstring, Py_ssize_t start, Py_ssize_t stop,
const char* encoding, const char* errors,
PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
Py_ssize_t length;
if (unlikely((start < 0) | (stop < 0))) {
size_t slen = strlen(cstring);
if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
PyErr_SetString(PyExc_OverflowError,
"c-string too long to convert to Python");
return NULL;
}
length = (Py_ssize_t) slen;
if (start < 0) {
start += length;
if (start < 0)
start = 0;
}
if (stop < 0)
stop += length;
}
if (unlikely(stop <= start))
return PyUnicode_FromUnicode(NULL, 0);
length = stop - start;
cstring += start;
if (decode_func) {
return decode_func(cstring, length, errors);
} else {
return PyUnicode_Decode(cstring, length, encoding, errors);
}
} | 0 | C | CWE-120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. | https://cwe.mitre.org/data/definitions/120.html | vulnerable |
PJ_DEF(pj_status_t) pjmedia_rtcp_fb_parse_nack(
const void *buf,
pj_size_t length,
unsigned *nack_cnt,
pjmedia_rtcp_fb_nack nack[])
{
pjmedia_rtcp_common *hdr = (pjmedia_rtcp_common*) buf;
pj_uint8_t *p;
unsigned cnt, i;
PJ_ASSERT_RETURN(buf && nack_cnt && nack, PJ_EINVAL);
PJ_ASSERT_RETURN(length >= sizeof(pjmedia_rtcp_common), PJ_ETOOSMALL);
/* Generic NACK uses pt==RTCP_RTPFB and FMT==1 */
if (hdr->pt != RTCP_RTPFB || hdr->count != 1)
return PJ_ENOTFOUND;
cnt = pj_ntohs((pj_uint16_t)hdr->length);
if (cnt > 2) cnt -= 2; else cnt = 0;
if (length < (cnt+3)*4)
return PJ_ETOOSMALL;
*nack_cnt = PJ_MIN(*nack_cnt, cnt);
p = (pj_uint8_t*)hdr + sizeof(*hdr);
for (i = 0; i < *nack_cnt; ++i) {
pj_uint16_t val;
pj_memcpy(&val, p, 2);
nack[i].pid = pj_ntohs(val);
pj_memcpy(&val, p+2, 2);
nack[i].blp = pj_ntohs(val);
p += 4;
}
return PJ_SUCCESS;
} | 0 | C | CWE-787 | Out-of-bounds Write | The software writes data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/787.html | vulnerable |
static int copy_to_user_auth(struct xfrm_algo_auth *auth, struct sk_buff *skb)
{
struct xfrm_algo *algo;
struct nlattr *nla;
nla = nla_reserve(skb, XFRMA_ALG_AUTH,
sizeof(*algo) + (auth->alg_key_len + 7) / 8);
if (!nla)
return -EMSGSIZE;
algo = nla_data(nla);
strncpy(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
algo->alg_key_len = auth->alg_key_len;
return 0;
} | 1 | C | CWE-200 | Exposure of Sensitive Information to an Unauthorized Actor | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. | https://cwe.mitre.org/data/definitions/200.html | safe |
static void ext4_free_io_end(ext4_io_end_t *io)
{
BUG_ON(!io);
if (io->page)
put_page(io->page);
iput(io->inode);
kfree(io);
} | 1 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | safe |
obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena)
{
PyObject* tmp = NULL;
identifier name;
identifier asname;
if (_PyObject_HasAttrId(obj, &PyId_name)) {
int res;
tmp = _PyObject_GetAttrId(obj, &PyId_name);
if (tmp == NULL) goto failed;
res = obj2ast_identifier(tmp, &name, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
} else {
PyErr_SetString(PyExc_TypeError, "required field \"name\" missing from alias");
return 1;
}
if (exists_not_none(obj, &PyId_asname)) {
int res;
tmp = _PyObject_GetAttrId(obj, &PyId_asname);
if (tmp == NULL) goto failed;
res = obj2ast_identifier(tmp, &asname, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
} else {
asname = NULL;
}
*out = alias(name, asname, arena);
return 0;
failed:
Py_XDECREF(tmp);
return 1;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
writefile(const char *name, struct string *s)
{
FILE *f;
int ret;
f = fopen(name, "w");
if (!f) {
warn("open %s:", name);
return -1;
}
ret = 0;
if (fwrite(s->s, 1, s->n, f) != s->n || fflush(f) != 0) {
warn("write %s:", name);
ret = -1;
}
fclose(f);
return ret;
} | 0 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | vulnerable |
spnego_gss_unwrap(
OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
gss_buffer_t input_message_buffer,
gss_buffer_t output_message_buffer,
int *conf_state,
gss_qop_t *qop_state)
{
OM_uint32 ret;
ret = gss_unwrap(minor_status,
context_handle,
input_message_buffer,
output_message_buffer,
conf_state,
qop_state);
return (ret);
} | 0 | C | CWE-763 | Release of Invalid Pointer or Reference | The application attempts to return a memory resource to the system, but calls the wrong release function or calls the appropriate release function incorrectly. | https://cwe.mitre.org/data/definitions/763.html | vulnerable |
static int linkSane(FD_t wfd, const char *dest)
{
struct stat sb, lsb;
return (fstat(Fileno(wfd), &sb) == 0 && sb.st_size == 0 &&
(sb.st_mode & ~S_IFMT) == S_IWUSR &&
lstat(dest, &lsb) == 0 && S_ISREG(lsb.st_mode) &&
sb.st_dev == lsb.st_dev && sb.st_ino == lsb.st_ino);
} | 1 | C | CWE-59 | Improper Link Resolution Before File Access ('Link Following') | The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. | https://cwe.mitre.org/data/definitions/59.html | safe |
static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name)
{
return kstrdup(name, GFP_KERNEL);
} | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
static char *socket_http_get_recursive(const char *url, int *code, int *rlen, ut32 redirections) {
if (code) {
*code = 0;
}
if (rlen) {
*rlen = 0;
}
char *curl_env = r_sys_getenv ("R2_CURL");
if (!R_STR_ISEMPTY (curl_env) && atoi (curl_env)) {
int len;
char *escaped_url = r_str_escape_sh (url);
char *command = r_str_newf ("curl -sfL -o - \"%s\"", escaped_url);
char *res = r_sys_cmd_str (command, NULL, &len);
free (escaped_url);
free (command);
free (curl_env);
if (!res) {
return NULL;
}
if (res) {
if (code) {
*code = 200;
}
if (rlen) {
*rlen = len;
}
}
return res;
}
free (curl_env);
#if __WINDOWS__
return http_get_w32 (url, code, rlen);
#else
RSocket *s;
int ssl = r_str_startswith (url, "https://");
#if !HAVE_LIB_SSL
if (ssl) {
eprintf ("Tried to get '%s', but SSL support is disabled, set R2_CURL=1 to use curl\n", url);
return NULL;
}
#endif
char *response, *host, *path, *port = "80";
char *uri = strdup (url);
if (!uri) {
return NULL;
}
host = strstr (uri, "://");
if (!host) {
free (uri);
eprintf ("r_socket_http_get: Invalid URI");
return NULL;
}
host += 3;
port = strchr (host, ':');
if (!port) {
port = ssl? "443": "80";
path = host;
} else {
*port++ = 0;
path = port;
}
path = strchr (path, '/');
if (!path) {
path = "";
} else {
*path++ = 0;
}
s = r_socket_new (ssl);
if (!s) {
eprintf ("r_socket_http_get: Cannot create socket\n");
free (uri);
return NULL;
}
if (r_socket_connect_tcp (s, host, port, 0)) {
r_socket_printf (s,
"GET /%s HTTP/1.1\r\n"
"User-Agent: radare2 "R2_VERSION"\r\n"
"Accept: */*\r\n"
"Host: %s:%s\r\n"
"\r\n", path, host, port);
response = socket_http_answer (s, code, rlen, redirections);
} else {
eprintf ("Cannot connect to %s:%s\n", host, port);
response = NULL;
}
free (uri);
r_socket_free (s);
return response;
#endif
} | 1 | C | CWE-78 | Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') | The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. | https://cwe.mitre.org/data/definitions/78.html | safe |
static int ipx_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct ipx_sock *ipxs = ipx_sk(sk);
struct sockaddr_ipx *sipx = (struct sockaddr_ipx *)msg->msg_name;
struct ipxhdr *ipx = NULL;
struct sk_buff *skb;
int copied, rc;
lock_sock(sk);
/* put the autobinding in */
if (!ipxs->port) {
struct sockaddr_ipx uaddr;
uaddr.sipx_port = 0;
uaddr.sipx_network = 0;
#ifdef CONFIG_IPX_INTERN
rc = -ENETDOWN;
if (!ipxs->intrfc)
goto out; /* Someone zonked the iface */
memcpy(uaddr.sipx_node, ipxs->intrfc->if_node, IPX_NODE_LEN);
#endif /* CONFIG_IPX_INTERN */
rc = __ipx_bind(sock, (struct sockaddr *)&uaddr,
sizeof(struct sockaddr_ipx));
if (rc)
goto out;
}
rc = -ENOTCONN;
if (sock_flag(sk, SOCK_ZAPPED))
goto out;
skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT,
flags & MSG_DONTWAIT, &rc);
if (!skb)
goto out;
ipx = ipx_hdr(skb);
copied = ntohs(ipx->ipx_pktsize) - sizeof(struct ipxhdr);
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
}
rc = skb_copy_datagram_iovec(skb, sizeof(struct ipxhdr), msg->msg_iov,
copied);
if (rc)
goto out_free;
if (skb->tstamp.tv64)
sk->sk_stamp = skb->tstamp;
msg->msg_namelen = sizeof(*sipx);
if (sipx) {
sipx->sipx_family = AF_IPX;
sipx->sipx_port = ipx->ipx_source.sock;
memcpy(sipx->sipx_node, ipx->ipx_source.node, IPX_NODE_LEN);
sipx->sipx_network = IPX_SKB_CB(skb)->ipx_source_net;
sipx->sipx_type = ipx->ipx_type;
sipx->sipx_zero = 0;
}
rc = copied;
out_free:
skb_free_datagram(sk, skb);
out:
release_sock(sk);
return rc;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
static int xfrm_dump_policy_done(struct netlink_callback *cb)
{
struct xfrm_policy_walk *walk = (struct xfrm_policy_walk *)cb->args;
struct net *net = sock_net(cb->skb->sk);
xfrm_policy_walk_done(walk, net);
return 0;
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
static u32 __ipv6_select_ident(struct net *net, u32 hashrnd,
const struct in6_addr *dst,
const struct in6_addr *src)
{
u32 hash, id;
hash = __ipv6_addr_jhash(dst, hashrnd);
hash = __ipv6_addr_jhash(src, hash);
hash ^= net_hash_mix(net);
/* Treat id of 0 as unset and if we get 0 back from ip_idents_reserve,
* set the hight order instead thus minimizing possible future
* collisions.
*/
id = ip_idents_reserve(hash, 1);
if (unlikely(!id))
id = 1 << 31;
return id;
} | 0 | C | CWE-326 | Inadequate Encryption Strength | The software stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. | https://cwe.mitre.org/data/definitions/326.html | vulnerable |
PJ_DEF(pj_status_t) pjmedia_rtcp_fb_parse_pli(
const void *buf,
pj_size_t length)
{
pjmedia_rtcp_common *hdr = (pjmedia_rtcp_common*) buf;
PJ_ASSERT_RETURN(buf, PJ_EINVAL);
if (length < 12)
return PJ_ETOOSMALL;
/* PLI uses pt==RTCP_PSFB and FMT==1 */
if (hdr->pt != RTCP_PSFB || hdr->count != 1)
return PJ_ENOTFOUND;
return PJ_SUCCESS;
} | 0 | C | CWE-125 | Out-of-bounds Read | The software reads data past the end, or before the beginning, of the intended buffer. | https://cwe.mitre.org/data/definitions/125.html | vulnerable |
static struct nfs4_opendata *nfs4_open_recoverdata_alloc(struct nfs_open_context *ctx, struct nfs4_state *state)
{
struct nfs4_opendata *opendata;
opendata = nfs4_opendata_alloc(&ctx->path, state->owner, 0, NULL);
if (opendata == NULL)
return ERR_PTR(-ENOMEM);
opendata->state = state;
atomic_inc(&state->count);
return opendata;
} | 0 | C | NVD-CWE-noinfo | null | null | null | vulnerable |
static void audit_log_execve_info(struct audit_context *context,
struct audit_buffer **ab)
{
int i, len;
size_t len_sent = 0;
const char __user *p;
char *buf;
p = (const char __user *)current->mm->arg_start;
audit_log_format(*ab, "argc=%d", context->execve.argc);
/*
* we need some kernel buffer to hold the userspace args. Just
* allocate one big one rather than allocating one of the right size
* for every single argument inside audit_log_single_execve_arg()
* should be <8k allocation so should be pretty safe.
*/
buf = kmalloc(MAX_EXECVE_AUDIT_LEN + 1, GFP_KERNEL);
if (!buf) {
audit_panic("out of memory for argv string");
return;
}
for (i = 0; i < context->execve.argc; i++) {
len = audit_log_single_execve_arg(context, ab, i,
&len_sent, p, buf);
if (len <= 0)
break;
p += len;
}
kfree(buf);
} | 0 | C | CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. | https://cwe.mitre.org/data/definitions/362.html | vulnerable |
static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,
unsigned long addr,
unsigned long length)
{
unsigned long result = 0;
switch (ioapic->ioregsel) {
case IOAPIC_REG_VERSION:
result = ((((IOAPIC_NUM_PINS - 1) & 0xff) << 16)
| (IOAPIC_VERSION_ID & 0xff));
break;
case IOAPIC_REG_APIC_ID:
case IOAPIC_REG_ARB_ID:
result = ((ioapic->id & 0xf) << 24);
break;
default:
{
u32 redir_index = (ioapic->ioregsel - 0x10) >> 1;
u64 redir_content;
if (redir_index < IOAPIC_NUM_PINS)
redir_content =
ioapic->redirtbl[redir_index].bits;
else
redir_content = ~0ULL;
result = (ioapic->ioregsel & 0x1) ?
(redir_content >> 32) & 0xffffffff :
redir_content & 0xffffffff;
break;
}
}
return result;
} | 1 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | safe |
static cchar *findAcceptableVersion(cchar *name, cchar *originalCriteria)
{
MprDirEntry *dp;
MprList *files;
cchar *criteria;
int next;
criteria = originalCriteria;
if (!criteria || smatch(criteria, "*")) {
criteria = "x";
}
if (schr(name, '#')) {
name = stok(sclone(name), "#", (char**) &criteria);
}
files = mprGetPathFiles(mprJoinPath(app->paksCacheDir, name), MPR_PATH_RELATIVE);
mprSortList(files, (MprSortProc) reverseSortFiles, 0);
for (ITERATE_ITEMS(files, dp, next)) {
if (acceptableVersion(criteria, dp->name)) {
return dp->name;
}
}
if (originalCriteria) {
fail("Cannot find acceptable version for: \"%s\" with version criteria \"%s\" in %s",
name, originalCriteria, app->paksCacheDir);
} else {
fail("Cannot find pak: \"%s\" in %s", name, app->paksCacheDir);
}
mprLog("", 0, "Use \"pak install %s\" to install", name);
return 0;
} | 0 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | vulnerable |
static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags)
{
struct sock *sk = sock->sk;
struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc;
int len;
if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {
rfcomm_dlc_accept(d);
msg->msg_namelen = 0;
return 0;
}
len = bt_sock_stream_recvmsg(iocb, sock, msg, size, flags);
lock_sock(sk);
if (!(flags & MSG_PEEK) && len > 0)
atomic_sub(len, &sk->sk_rmem_alloc);
if (atomic_read(&sk->sk_rmem_alloc) <= (sk->sk_rcvbuf >> 2))
rfcomm_dlc_unthrottle(rfcomm_pi(sk)->dlc);
release_sock(sk);
return len;
} | 0 | C | CWE-20 | Improper Input Validation | The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. | https://cwe.mitre.org/data/definitions/20.html | vulnerable |
static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_cipher rcipher;
snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
rcipher.blocksize = alg->cra_blocksize;
rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
if (nla_put(skb, CRYPTOCFGA_REPORT_CIPHER,
sizeof(struct crypto_report_cipher), &rcipher))
goto nla_put_failure;
return 0;
nla_put_failure:
return -EMSGSIZE;
} | 0 | C | CWE-310 | Cryptographic Issues | Weaknesses in this category are related to the design and implementation of data confidentiality and integrity. Frequently these deal with the use of encoding techniques, encryption libraries, and hashing algorithms. The weaknesses in this category could lead to a degradation of the quality data if they are not addressed. | https://cwe.mitre.org/data/definitions/310.html | vulnerable |
void usb_sg_cancel(struct usb_sg_request *io)
{
unsigned long flags;
int i, retval;
spin_lock_irqsave(&io->lock, flags);
if (io->status || io->count == 0) {
spin_unlock_irqrestore(&io->lock, flags);
return;
}
/* shut everything down */
io->status = -ECONNRESET;
io->count++; /* Keep the request alive until we're done */
spin_unlock_irqrestore(&io->lock, flags);
for (i = io->entries - 1; i >= 0; --i) {
usb_block_urb(io->urbs[i]);
retval = usb_unlink_urb(io->urbs[i]);
if (retval != -EINPROGRESS
&& retval != -ENODEV
&& retval != -EBUSY
&& retval != -EIDRM)
dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
__func__, retval);
}
spin_lock_irqsave(&io->lock, flags);
io->count--;
if (!io->count)
complete(&io->complete);
spin_unlock_irqrestore(&io->lock, flags);
} | 1 | C | CWE-416 | Use After Free | Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. | https://cwe.mitre.org/data/definitions/416.html | safe |
static int ext4_fill_flex_info(struct super_block *sb)
{
struct ext4_sb_info *sbi = EXT4_SB(sb);
struct ext4_group_desc *gdp = NULL;
ext4_group_t flex_group_count;
ext4_group_t flex_group;
int groups_per_flex = 0;
size_t size;
int i;
sbi->s_log_groups_per_flex = sbi->s_es->s_log_groups_per_flex;
groups_per_flex = 1 << sbi->s_log_groups_per_flex;
if (groups_per_flex < 2) {
sbi->s_log_groups_per_flex = 0;
return 1;
}
/* We allocate both existing and potentially added groups */
flex_group_count = ((sbi->s_groups_count + groups_per_flex - 1) +
((le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) + 1) <<
EXT4_DESC_PER_BLOCK_BITS(sb))) / groups_per_flex;
size = flex_group_count * sizeof(struct flex_groups);
sbi->s_flex_groups = ext4_kvzalloc(size, GFP_KERNEL);
if (sbi->s_flex_groups == NULL) {
ext4_msg(sb, KERN_ERR, "not enough memory for %u flex groups",
flex_group_count);
goto failed;
}
for (i = 0; i < sbi->s_groups_count; i++) {
gdp = ext4_get_group_desc(sb, i, NULL);
flex_group = ext4_flex_group(sbi, i);
atomic_add(ext4_free_inodes_count(sb, gdp),
&sbi->s_flex_groups[flex_group].free_inodes);
atomic_add(ext4_free_group_clusters(sb, gdp),
&sbi->s_flex_groups[flex_group].free_clusters);
atomic_add(ext4_used_dirs_count(sb, gdp),
&sbi->s_flex_groups[flex_group].used_dirs);
}
return 1;
failed:
return 0;
} | 0 | C | CWE-189 | Numeric Errors | Weaknesses in this category are related to improper calculation or conversion of numbers. | https://cwe.mitre.org/data/definitions/189.html | vulnerable |
static void *bpf_obj_do_get(const struct filename *pathname,
enum bpf_type *type)
{
struct inode *inode;
struct path path;
void *raw;
int ret;
ret = kern_path(pathname->name, LOOKUP_FOLLOW, &path);
if (ret)
return ERR_PTR(ret);
inode = d_backing_inode(path.dentry);
ret = inode_permission(inode, MAY_WRITE);
if (ret)
goto out;
ret = bpf_inode_type(inode, type);
if (ret)
goto out;
raw = bpf_any_get(inode->i_private, *type);
touch_atime(&path);
path_put(&path);
return raw;
out:
path_put(&path);
return ERR_PTR(ret);
} | 0 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | vulnerable |
static ScreenCell *realloc_buffer(VTermScreen *screen, ScreenCell *buffer, int new_rows, int new_cols)
{
ScreenCell *new_buffer = vterm_allocator_malloc(screen->vt, sizeof(ScreenCell) * new_rows * new_cols);
int row, col;
for(row = 0; row < new_rows; row++) {
for(col = 0; col < new_cols; col++) {
ScreenCell *new_cell = new_buffer + row*new_cols + col;
if(buffer && row < screen->rows && col < screen->cols)
*new_cell = buffer[row * screen->cols + col];
else {
new_cell->chars[0] = 0;
new_cell->pen = screen->pen;
}
}
}
vterm_allocator_free(screen->vt, buffer);
return new_buffer;
} | 1 | C | CWE-476 | NULL Pointer Dereference | A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. | https://cwe.mitre.org/data/definitions/476.html | safe |
PUBLIC cchar *mprLookupJson(MprJson *obj, cchar *name)
{
MprJson *item;
if ((item = mprLookupJsonObj(obj, name)) != 0 && item->type & MPR_JSON_VALUE) {
return item->value;
}
return 0;
} | 0 | C | NVD-CWE-Other | Other | NVD is only using a subset of CWE for mapping instead of the entire CWE, and the weakness type is not covered by that subset. | https://nvd.nist.gov/vuln/categories | vulnerable |
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