CVE-2026-53108: powerpc/64s: Fix unmap race with PMD migration entries

Overview

Severity
Critical (CVSS 9.8)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-27
Last Updated
2026-06-28
EPSS Score
0.15% (percentile: 4.7%)

Affected Products (2)

Other

  • 21474-17084

Open Source Software

  • azl3 kernel 6.6.141.1-1 on Azure Linux 3.0

Revision History

  • 2026-06-27: Information published.
  • 2026-06-28: Information published.