NULL Pointer Dereference Affecting kernel-docs package, versions <5.3.18-24.107.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.23% (66th percentile)

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  • Snyk IDSNYK-SLES152-KERNELDOCS-2640324
  • published14 Apr 2022
  • disclosed8 Mar 2022

Introduced: 8 Mar 2022

CVE-2021-44879  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-docs to version 5.3.18-24.107.1 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.

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

CVSS Base Scores

version 3.1