CVE-2026-74742

A flaw was found in the Linux kernel's veth component. In a multi-queue setup without an eXpress Data Path XDP program attached, the vethpoll function incorrectly derives the index of the peer transmit TX queue to wake. This can cause a TX queue to stop indefinitely if it becomes full, as the...

CVE-2026-74742 veth: fix queue index used to wake the peer txq in veth_poll

In the Linux kernel, the following vulnerability has been resolved: veth: fix queue index used to wake the peer txq in vethpoll vethpoll derives the index of the peer TX queue to wake from rq-xdprxq.queueindex. That field is only initialized by xdprxqinforeg in vethenablexdprange, which runs only...