CVE-2026-93059

kernel: drm/msm: Fix task_struct reference leak in recover_worker

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 17, 2026

Updated · October 6, 2026

Description

A flaw was found in the drm/msm component of the Linux kernel. This vulnerability occurs due to a missing reference count decrement in the recover_worker function during GPU hang recovery. This oversight leads to a task_struct reference leak, which can accumulate over time and potentially cause a Denial of Service (DoS) by exhausting system resources.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-772 · Missing Release of Resource after Effective Lifetime