CVE-2025-68358: btrfs: fix racy bitfield write in btrfs_clear_space_info_full()

Overview

Severity

Medium (CVSS 5.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2025-Dec

Released

2025-12-25

Last Updated

2026-03-31

EPSS Score

0.01% (percentile: 2.1%)

Affected Products (6)

Open Source Software

• azl3 kernel 6.6.117.1-1 on Azure Linux 3.0

Other

• 20788-17084
• 20860-17084
• 20925-17086
• 20823-17084
• 17087-17086

Revision History

• 2025-12-25: Information published.
• 2025-12-26: Information published.
• 2026-01-08: Information published.
• 2026-01-20: Information published.
• 2026-02-18: Information published.
• 2026-02-27: Information published.
• 2026-02-28: Information published.
• 2026-02-28: Information published.
• 2026-03-02: Information published.
• 2026-03-03: Information published.
• 2026-03-31: Information published.