CVE-2025-22021 netfilter: socket: Lookup orig tuple for IPv6 SNAT

In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the right socket if any. Then socketmatch can...