SB2025122260 - NULL pointer dereference in Linux kernel drm xe driver



SB2025122260 - NULL pointer dereference in Linux kernel drm xe driver

Published: December 22, 2025

Security Bulletin ID SB2025122260
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2025-68326)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the xe_guc_ct_init_noalloc() function in drivers/gpu/drm/xe/xe_guc_ct.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.