SB20260918165 - Memory leak in Linux kernel drm msm driver



SB20260918165 - Memory leak in Linux kernel drm msm driver

Published: September 18, 2026

Security Bulletin ID SB20260918165
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Memory leak (CVE-ID: CVE-2026-93059)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a local user to exhaust system resources.

The vulnerability exists due to a missing release of a task reference in the recover_worker function when handling GPU hang recovery. A local user can trigger repeated GPU hang recovery to exhaust system resources.


Remediation

Install update from vendor's website.