NULL Pointer Dereference Affecting kernel-tools-libs-devel package, versions <0:4.18.0-240.el8


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELTOOLSLIBSDEVEL-5659269
  • published28 May 2023
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2019-20054  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-tools-libs-devel to version 0:4.18.0-240.el8 or higher.
This issue was patched in ALSA-2020:4431.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.

CVSS Scores

version 3.1