Race Condition Affecting kernel-default-man 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)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Race Condition vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-SLES150-KERNELDEFAULTMAN-2977646
  • 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-default-man 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-default-man package and not the kernel-default-man 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