CVE-2025-68291: mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

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

2026-01-13

Last Updated

2026-02-18

EPSS Score

0.04% (percentile: 11.8%)

Affected Products (2)

Other

• 20823-17084
• 20788-17084

Revision History

• 2026-01-13: Information published.
• 2026-01-20: Information published.
• 2026-02-18: Information published.