---
id: CVE-2022-49966
title: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/amd/pm: add missing ->fini_microcode interface for Sienna Cichlid

  To avoid any potential memory leak.
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  drm/amd/pm: add missing ->fini_microcode interface for Sienna Cichlid

  To avoid any potential memory leak.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-401
vendor: linux
product: linux_kernel
affected:
  - 'linux_kernel >= 5.9, < 5.10.141'
  - 'linux_kernel >= 5.11, < 5.15.65'
  - 'linux_kernel >= 5.16, < 5.19.7'
  - linux_kernel = 6.0
patched:
  - linux_kernel 5.19.7
published: '2025-06-18'
updated: '2026-08-15'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-49966'
references:
  - url: 'https://git.kernel.org/stable/c/0a2d922a5618377cdf8fa476351362733ef55342'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/4d21584ac6392aa66171b7efd647ecd1a447556b'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/60d522f317078381ff8a3599fe808f96fc256cd5'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/a89e753d5a9f3b321f4a3098e2755c5aabcff0af'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
tags:
  - nvd
epss: 0.00239
epssPercentile: 0.13404
ingestedAt: '2026-08-15T13:26:44.757Z'
---

## Overview

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

drm/amd/pm: add missing ->fini_microcode interface for Sienna Cichlid

To avoid any potential memory leak.

## Affected

- `linux_kernel >= 5.9, < 5.10.141`
- `linux_kernel >= 5.11, < 5.15.65`
- `linux_kernel >= 5.16, < 5.19.7`
- `linux_kernel = 6.0`

## Remediation

Upgrade past the affected range:

- `linux_kernel 5.19.7`