CVE-2023-53187: btrfs: fix use-after-free of new block group that became unused

Overview

Severity

High (CVSS 7.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2025-Sep

Released

2025-12-03

Last Updated

2026-03-31

EPSS Score

0.01% (percentile: 1.9%)

Affected Products (3)

Other

• 20925-17086
• 21093-17086
• 17087-17086

Revision History

• 2025-12-03: Information published.
• 2026-03-03: Information published.
• 2026-03-31: Information published.