CVE-2025-21705 | Linux Kernel up to 6.1.128/6.6.75/6.12.12/6.13.1 mptcp net/mptcp/protocol.c information disclosure (Nessus ID 232678 / WID-SEC-2025-0453)
A vulnerability described as problematic has been identified in Linux Kernel up to 6.1.128/6.6.75/6.12.12/6.13.1. Affected is an unknown function of the file net/mptcp/protocol.c of the component mptcp. Executing a manipulation can lead to information disclosure.
This vulnerability is handled as CVE-2025-21705. The attack can only be done within the local network. There is not any exploit available.
Upgrading the affected component is recommended.