CVE-2026-40225: In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.

Overview

Severity
Medium (CVSS 6.4)
CVSS Vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-29
Last Updated
2026-06-03
EPSS Score
0.04% (percentile: 11.6%)

Affected Products (4)

Open Source Software

  • cbl2 systemd 250.3-24 on CBL Mariner 2.0
  • azl3 systemd 255-27 on Azure Linux 3.0
  • azl3 systemd 255-26 on Azure Linux 3.0

Other

  • 21393-17084

Revision History

  • 2026-04-29: Information published.
  • 2026-04-29: Information published.
  • 2026-05-27: Information published.
  • 2026-06-03: Information published.