SB2024062198 - NULL pointer dereference in Linux kernel drm vc4 driver



SB2024062198 - NULL pointer dereference in Linux kernel drm vc4 driver

Published: June 21, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062198
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-2021-47533)

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

The vulnerability exists due to NULL pointer dereference within the vc4_atomic_commit_tail() function in drivers/gpu/drm/vc4/vc4_kms.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.