---
id: CVE-2022-49829
title: 'drm/scheduler: fix fence ref counting'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/scheduler: fix fence ref counting

  We leaked dependency fences when processes were beeing killed.

  Additional to that grab a reference to the last scheduled fence.
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= 8ee3a52e3f35e064a3bf82f21dc74ddaf9843648 <
    e5f4b38362df93594cb426b04979d8834122f159
  - >-
    Linux >= 8ee3a52e3f35e064a3bf82f21dc74ddaf9843648 <
    b3af84383e7abdc5e63435817bb73a268e7c3637
  - Linux 4.18
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T19:50:13.619669Z'
published: '2025-05-01'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:00:08.686Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2022-49829'
references:
  - url: 'https://git.kernel.org/stable/c/e5f4b38362df93594cb426b04979d8834122f159'
  - url: 'https://git.kernel.org/stable/c/b3af84383e7abdc5e63435817bb73a268e7c3637'
tags:
  - cve.org
epss: 0.0017
epssPercentile: 0.06461
ingestedAt: '2026-11-05T22:38:31.615Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

drm/scheduler: fix fence ref counting

We leaked dependency fences when processes were beeing killed.

Additional to that grab a reference to the last scheduled fence.

## Affected

- `Linux >= 8ee3a52e3f35e064a3bf82f21dc74ddaf9843648 < e5f4b38362df93594cb426b04979d8834122f159`
- `Linux >= 8ee3a52e3f35e064a3bf82f21dc74ddaf9843648 < b3af84383e7abdc5e63435817bb73a268e7c3637`
- `Linux 4.18`

## Remediation

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