Use After Free Affecting kernel-docs package, versions <5.3.18-24.49.3


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.31% (23rd percentile)

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  • Snyk IDSNYK-SLES152-KERNELDOCS-2690231
  • published14 Apr 2022
  • disclosed9 Feb 2021

Introduced: 9 Feb 2021

CVE-2020-27835  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-docs to version 5.3.18-24.49.3 or higher.

NVD Description

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

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

CVSS Base Scores

version 3.1