CVE-2026-46054: selinux: fix overlayfs mmap() and mprotect() access checks

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-May

Released

2026-05-28

Last Updated

2026-07-09

EPSS Score

0.12% (percentile: 2.0%)

Affected Products (3)

Other

• 21474-17084
• 21443-17084

Open Source Software

• azl3 kernel 6.6.139.1-1 on Azure Linux 3.0

Revision History

• 2026-05-28: Information published.
• 2026-05-28: Information published.
• 2026-05-29: Information published.
• 2026-06-17: Information published.
• 2026-06-28: Information published.
• 2026-07-09: Information published.