Use After Free Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-553.rt7.342.el8_10


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELRTDEBUGKVM-7169964
  • published30 May 2024
  • disclosed30 Apr 2024

Introduced: 30 Apr 2024

CVE-2023-3567  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-rt-debug-kvm to version 0:4.18.0-553.rt7.342.el8_10 or higher.
This issue was patched in ALSA-2024:2950.

NVD Description

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

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

CVSS Scores

version 3.1