CVE-2026-23230: smb: client: split cached_fid bitfields to avoid shared-byte RMW races
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
- EPSS Score
- 0.02% (percentile: 6.3%)
Affected Products (1)
Open Source Software
- azl3 kernel 6.6.121.1-1 on Azure Linux 3.0
Revision History
- 2026-02-21: Information published.