CVE-2024-0408 Affecting xorg-x11-server-common package, versions <0:1.20.11-22.el8


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-ALMALINUX8-XORGX11SERVERCOMMON-7169635
  • published30 May 2024
  • disclosed30 Apr 2024

Introduced: 30 Apr 2024

CVE-2024-0408  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 xorg-x11-server-common to version 0:1.20.11-22.el8 or higher.
This issue was patched in ALSA-2024:2995.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-x11-server-common package and not the xorg-x11-server-common package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.

CVSS Scores

version 3.1