CVE-2026-45846

CVE-2026-45846 affects the Linux kernel bareudp code path. The vulnerability arises in bareudp_fill_metadata_dst(), which passes bareudp->sock to udp_tunnel6_dst_lookup() in the IPv6 path without a NULL check. If the bareudp device is down (socket not created or already NULLed in bareudp_stop)...