RHSA-2022:0925: Important: kpatch-patch security update

First published: Tue Mar 15 2022(Updated: )

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.<br>Security Fix(es):<br><li> kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)</li> <li> kernel: possible privileges escalation due to missing TLB flush (CVE-2022-0330)</li> <li> kernel: cgroups v1 release_agent feature may allow privilege escalation (CVE-2022-0492)</li> <li> kernel: failing usercopy allows for use-after-free exploitation (CVE-2022-22942)</li> 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.

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