CVE-2026-23213: drm/amd/pm: Disable MMIO access during SMU Mode 1 reset

Overview

Severity
High (CVSS 8.4)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Status
Not Exploited
Patch Tuesday
2026-Feb
Released
2026-02-21
Last Updated
2026-05-22
EPSS Score
0.02% (percentile: 4.7%)

Affected Products (9)

Open Source Software

  • azl3 kernel 6.6.121.1-1 on Azure Linux 3.0

Other

  • 20925-17086
  • 21093-17086
  • 21248-17084
  • 21332-17084
  • 20956-17084
  • 21094-17084
  • 21308-17084
  • 21344-17084

Revision History

  • 2026-02-21: Information published.
  • 2026-03-04: Information published.
  • 2026-03-20: Information published.
  • 2026-03-31: Information published.
  • 2026-04-29: Information published.
  • 2026-05-06: Information published.
  • 2026-05-11: Information published.
  • 2026-05-17: Information published.
  • 2026-05-22: Information published.