CVE-2026-68124: mctp: serial: handle zero-length frames to prevent rx buffer overflow

Overview

Severity

High (CVSS 7.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-11

Last Updated

2026-08-14

EPSS Score

0.49% (percentile: 39.6%)

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.