CVE-2026-98375 xen/netfront: drop RX packets with a short Ethernet header

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: drop RX packets with a short Ethernet header handleincomingqueue pulls pullto bytes into the head before calling ethtypetrans. pullto is the length of the first RX slot, capped at RXCOPYTHRESHOLD, and that length...