cve 2025 68363

A kernel-level bug in the Linux BPF helper bpf_skb_check_mtu recently received a formal CVE (CVE-2025-68363) after maintainers landed a targeted fix: the helper assumed skb->transport_header was always valid when the BPF_MTU_CHK_SEGS flag was used, but that field can be unset in some paths —...