SB2025031021 - Use of uninitialized resource in Linux kernel drm panthor driver



SB2025031021 - Use of uninitialized resource in Linux kernel drm panthor driver

Published: March 10, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025031021
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) Use of uninitialized resource (CVE-ID: CVE-2025-21843)

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

The vulnerability exists due to use of uninitialized resource within the panthor_query_group_priorities_info() function in drivers/gpu/drm/panthor/panthor_drv.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.