drm/msm: Fix task_struct reference leak in recover_worker (CVE-2026-93059) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-93059

drm/msm: Fix task_struct reference leak in recover_worker

Answer in brief

CVE-2026-93059 records a Unknown severity vulnerability in drm/msm: Fix task_struct reference leak in recover_worker. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 17, 2026Updated Sep 17, 2026Source checked Sep 17, 2026First seen by HOL Sep 17, 2026Material review Sep 17, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Linux/Linuxgeneric	>=25654a1756a4ace072404e89882d7ba8391900bd <6c472fde2c8096e16bb46b0605adda2488f300c0 \|\| >=25654a1756a4ace072404e89882d7ba8391900bd <d684f756d029d81db1cd64cd9645556e53fcc784 \|\| >=25654a1756a4ace072404e89882d7ba8391900bd <40b793714ad8f393ab3d469f9d00b20ebda46257	6c472fde2c8096e16bb46b0605adda2488f300c0, d684f756d029d81db1cd64cd9645556e53fcc784, 40b793714ad8f393ab3d469f9d00b20ebda46257
Linux/Linuxgeneric	6.17	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
Review the reported fix. Update Linux/Linux to 6c472fde2c8096e16bb46b0605adda2488f300c0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 17, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 17, 2026

Sources and claim methodology

Upstream source description

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix task_struct reference leak in recover_worker get_pid_task() increments the task reference count, but the corresponding put_task_struct() was missing in the else branch, leaking a reference on every GPU hang recovery. Patchwork: https://patchwork.freedesktop.org/patch/730662/

Quoted source text, attributed separately from HOL analysis.