title: Red Hat Security Advisory: kernel security, bug fix, and enhancement update
description: kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c kernel: heap overflow in mwifiex_update_vs_ie() function of Marvell WiFi driver kernel: heap-based buffer overflow in mwifiex_process_country_ie() function in drivers/net/wireless/marvell/mwifiex/sta_ioctl.c kernel: buffer overflow in cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c
cpes: cpe:/o:redhat:enterprise_linux:7::hypervisor cpe:/o:redhat:rhel_eus:7.6::computenode cpe:/o:redhat:rhel_eus:7.6::server