CVE-2026-45899: ext4: drop extent cache when splitting extent fails

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
Exploit Status
Not Exploited
Patch Tuesday
2026-May
Released
2026-05-28
Last Updated
2026-05-28
EPSS Score
0.16% (percentile: 5.6%)

Affected Products (1)

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.