SB2025010929 - NULL pointer dereference in Linux kernel drm sti driver



SB2025010929 - NULL pointer dereference in Linux kernel drm sti driver

Published: January 9, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025010929
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-2024-56776)

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

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


Remediation

Install update from vendor's website.