CVE-2026-80738

CVE-2026-80738 affects the Linux kernel BPF subsystem. The functions bpf_tcp_gen_syncookie and bpf_tcp_check_syncookie accept a socket pointer typed as ARG_PTR_TO_BTF_ID_SOCK_COMMON but access sk->sk_protocol without verifying the socket is a full socket rather than a mini-socket. The fix chec...