CVE-2025-68232 veth: more robust handing of race to avoid txq getting stuck

In the Linux kernel, the following vulnerability has been resolved: veth: more robust handing of race to avoid txq getting stuck Commit dc82a33297fc "veth: apply qdisc backpressure on full ptrring to reduce TX drops" introduced a race condition that can lead to a permanently stalled TXQ. This was...