CVE-2026-74478

A flaw was found in the Linux kernel. A remote attacker, by sending specially crafted packets over GRE or L2TPv3 transports, could trigger a use-after-free vulnerability. This occurs in the vectormmsgrx function when a packet's overlay header fails verification, causing the system to attempt to...

CVE-2026-74478

In the Linux kernel, the following vulnerability has been resolved: um: vector: fix use-after-free in vectormmsgrx When vectormmsgrx discards a packet whose overlay header fails verifyheader, it frees the skb and continues the loop: if headercheck estats.rxencapserrors++; continue; The normal and...