CVE-2026-23214: btrfs: reject new transactions if the fs is fully read-only

Overview

Severity
High (CVSS 8.4)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/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: 3.0%)

Affected Products (5)

Open Source Software

  • azl3 kernel 6.6.121.1-1 on Azure Linux 3.0

Other

  • 20925-17086
  • 21094-17084
  • 21093-17086
  • 20956-17084

Revision History

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