---
id: CVE-2026-93059
title: |-
  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 th…
summary: |-
  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 th…
severity: medium
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 25654a1756a4ace072404e89882d7ba8391900bd <
    6c472fde2c8096e16bb46b0605adda2488f300c0
  - >-
    Linux >= 25654a1756a4ace072404e89882d7ba8391900bd <
    d684f756d029d81db1cd64cd9645556e53fcc784
  - >-
    Linux >= 25654a1756a4ace072404e89882d7ba8391900bd <
    40b793714ad8f393ab3d469f9d00b20ebda46257
  - Linux 6.17
published: '2026-09-17'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T17:17:59.550'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93059'
references:
  - url: 'https://git.kernel.org/stable/c/40b793714ad8f393ab3d469f9d00b20ebda46257'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/6c472fde2c8096e16bb46b0605adda2488f300c0'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/d684f756d029d81db1cd64cd9645556e53fcc784'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93059.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-93059'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2536263'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-93059'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-93059'
  - url: >-
      https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93059.mbox
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ingestedAt: '2026-09-17T16:21:47.768Z'
epss: 0.00206
epssPercentile: 0.10636
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: vendor
cwe:
  - CWE-772
---

## Overview

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/

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · Moderate · updated 2026-10-05 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93059.json)