title: Red Hat Security Advisory: kernel security, bug fix, and enhancement update
description: kernel: fget: check that the fd still exists after getting a ref to it kernel: possible privileges escalation due to missing TLB flush kernel: cgroups v1 release_agent feature may allow privilege escalation kernel: improper initialization of the "flags" member of the new pipe_buffer kernel: failing usercopy allows for use-after-free exploitation
cpes: cpe:/a:redhat:rhel_eus:8.2::crb cpe:/o:redhat:rhel_eus:8.2::baseos