CVE-2026-68388: smb/client: handle overlapping allocated ranges in fallocate

Overview

Severity

Medium (CVSS 4.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-08-14

EPSS Score

0.76% (percentile: 53.2%)

Affected Products (1)

Other

• 21474-17084

Revision History

• 2026-08-11: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.
• 2026-08-14: Information published.