title: Red Hat Security Advisory: kernel security and bug fix update
description: kernel: the copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check kernel: cgroup: Use open-time creds and namespace for migration perm checks kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses kernel: dm: fix mempool NULL pointer race when completing IO kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leak kernel: race condition in perf_event_open leads to privilege escalation kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root
cpes: cpe:/a:redhat:rhel_eus:8.4::crb cpe:/o:redhat:rhel_eus:8.4::baseos