CVE-2025-71126 | Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2/6.19-rc1 mptcp mptcp_connect deadlock

January 14, 2026 Yanac

A vulnerability was found in Linux Kernel up to 6.1.159/6.6.119/6.12.63/6.18.2/6.19-rc1. It has been rated as critical. This impacts the function mptcp_connect of the component mptcp. The manipulation leads to deadlock.

This vulnerability is referenced as CVE-2025-71126. The attack needs to be initiated within the local network. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More