NULL Pointer Dereference Affecting kernel-livepatch-4_12_14-150_86-default package, versions <1-1.3.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
1.48% (74th percentile)

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  • Snyk IDSNYK-SLES150-KERNELLIVEPATCH4121415086DEFAULT-2640311
  • published14 Apr 2022
  • disclosed9 Mar 2022

Introduced: 9 Mar 2022

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

How to fix?

Upgrade SLES:15.0 kernel-livepatch-4_12_14-150_86-default to version 1-1.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-150_86-default package and not the kernel-livepatch-4_12_14-150_86-default package as distributed by SLES. See How to fix? for SLES:15.0 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