Use After Free Affecting kernel-default-base package, versions <5.14.21-150400.24.18.1.150400.24.5.4


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES154-KERNELDEFAULTBASE-2980195
  • published13 Aug 2022
  • disclosed12 Aug 2022

Introduced: 12 Aug 2022

CVE-2022-2585  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.4 kernel-default-base to version 5.14.21-150400.24.18.1.150400.24.5.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-base package and not the kernel-default-base package as distributed by SLES. See How to fix? for SLES:15.4 relevant fixed versions and status.

It was discovered that when exec'ing from a non-leader thread, armed POSIX CPU timers would be left on a list but freed, leading to a use-after-free.

CVSS Scores

version 3.1