Red Hat Security Advisory: kernel security update

CVE-2021-0920 — kernel: Use After Free in unix_gc() which could result in a local privilege escalation CVE-2021-4028 — kernel: use-after-free in RDMA listen() CVE-2021-4083 — kernel: fget: check that the fd still exists after getting a ref to it CVE-2022-0330 — kernel: possible privileges escalation due to missing TLB flush CVE-2022-0492 — kernel: cgroups v1 release_agent feature may allow privilege escalation CVE-2022-0847 — kernel: improper initialization of the "flags" member of the new pipe_buffer CVE-2022-22942 — kernel: failing usercopy allows for use-after-free exploitation