Use After Free Affecting kernel-default-livepatch-devel package, versions <5.3.18-150200.24.134.1


Severity

Recommended
medium

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-SLES152-KERNELDEFAULTLIVEPATCHDEVEL-3061354
  • published25 Oct 2022
  • disclosed24 Oct 2022

Introduced: 24 Oct 2022

CVE-2022-41222  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-default-livepatch-devel to version 5.3.18-150200.24.134.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch-devel package and not the kernel-default-livepatch-devel package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

mm/mremap.c in the Linux kernel before 5.13.3 has a use-after-free via a stale TLB because an rmap lock is not held during a PUD move.

CVSS Scores

version 3.1