CVE-2024-0408 - CVE House
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Status published Medium CVE-2024-0408

Xorg-x11-server: selinux unlabeled glx pbuffer

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Donn Seeley and Olivier Fourdan for reporting this issue.

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Affected Vendor

Affected Software

Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6
Vulnerable Versions:
21.1.0, 0:1.20.4-27.el7_9, 0:1.20.11-22.el8, 0:21.1.3-15.el8, 0:1.20.11-24.el9, 0:22.1.9-5.el9

Timeline

Official Publish: January 18th, 2024
Last Modified: November 20th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-158

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.