CVE-2025-21706 | Linux Kernel up to 6.1.128/6.6.77/6.12.12/6.13.1 net/mptcp/pm_netlink.c mptcp_pm_nl_fullmesh privilege escalation (Nessus ID 231824 / WID-SEC-2025-0453)
A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.1.128/6.6.77/6.12.12/6.13.1. This vulnerability affects the function mptcp_pm_nl_fullmesh of the file net/mptcp/pm_netlink.c. Such manipulation leads to privilege escalation.
This vulnerability is referenced as CVE-2025-21706. The attack needs to be initiated within the local network. No exploit is available.
You should upgrade the affected component.