CVE-2026-98681: smb: client: split cifsFileInfo bitfields to avoid shared-byte RMW races

Overview

Severity

Medium (CVSS 5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-20

EPSS Score

0.17% (percentile: 5.7%)

Affected Products (1)

Other

• 21932-17084

Revision History

• 2026-10-20: Information published.