(RHSA-2022:1107) Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: Use After Free in unix_gc() which could result in a local privilege escalation (CVE-2021-0920)

• kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)

• kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)

• kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.