CVE-2026-74668

In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hardheaderlen in TXRING send path tpacketsnd reads dev-hardheaderlen independently for skb allocation and header construction in tpacketfillskb. Concurrent netdevice reconfiguration can therefore make the...

CVE-2026-74668 packet: use consistent hard_header_len in TX_RING send path

In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hardheaderlen in TXRING send path tpacketsnd reads dev-hardheaderlen independently for skb allocation and header construction in tpacketfillskb. Concurrent netdevice reconfiguration can therefore make the...

CVE-2026-74668

CVE-2026-74668 is a race condition in the Linux kernel 's AF_PACKET TX_RING send path. The function tpacket_snd() reads dev->hard_header_len independently for skb allocation and header construction in tpacket_fill_skb(). A concurrent netdevice reconfiguration can cause the reserved headroom to...

EUVD-2026-64355

In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hardheaderlen in TXRING send path tpacketsnd reads dev-hardheaderlen independently for skb allocation and header construction in tpacketfillskb. Concurrent netdevice reconfiguration can therefore make the...