Race Condition Affecting kernel-vanilla-base package, versions <4.12.14-150000.150.98.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.06% (26th percentile)

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  • Snyk IDSNYK-SLES150-KERNELVANILLABASE-2977612
  • published10 Aug 2022
  • disclosed9 Aug 2022

Introduced: 9 Aug 2022

CVE-2020-36557  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-vanilla-base to version 4.12.14-150000.150.98.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-vanilla-base package and not the kernel-vanilla-base package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free.

CVSS Scores

version 3.1