Use After Free Affecting kernel-livepatch-5_3_18-24_107-default package, versions <13-150200.2.2


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-KERNELLIVEPATCH531824107DEFAULT-3263762
  • published19 Oct 2022
  • disclosed18 Oct 2022

Introduced: 18 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-livepatch-5_3_18-24_107-default to version 13-150200.2.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-24_107-default package and not the kernel-livepatch-5_3_18-24_107-default 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