mptcp: clear 'kern' flag from fallback sockets
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.88 by commit 451f1eded7f56e93aaf52eb547ba97742d9c0e97, it was introduced in version v5.6 by commit cf7da0d66cc1a2a19fc5930bb746ffbb2d4cd1be. For more details please see the references link.