CVE-2026-23221: bus: fsl-mc: fix use-after-free in driver_override_show()

Overview

Severity

High (CVSS 7)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Feb

Released

2026-02-21

Last Updated

2026-03-31

EPSS Score

0.01% (percentile: 3.1%)

Affected Products (3)

Open Source Software

• azl3 kernel 6.6.121.1-1 on Azure Linux 3.0

Other

• 20956-17084
• 20925-17086

Revision History

• 2026-02-21: Information published.
• 2026-03-04: Information published.
• 2026-03-20: Information published.
• 2026-03-20: Information published.
• 2026-03-27: Information published.
• 2026-03-31: Information published.