A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.Referenceshttps://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/https://github.com/torvalds/linux/commit/5c835bb142d4
