CVE-2026-68338

CVE-2026-68338 affects Linux kernel net/packet: a race during fanout hook re-registration after a device unregistration can invalidate per-socket bindings and lead to stale state if packet_set_ring resumes and re-registers from a saved was_running value. The fix restores po->num and marks the ...

CVE-2026-68338 net/packet: avoid fanout hook re-registration after unregister

In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packetsetring temporarily detaches a socket from packet delivery while reconfiguring its ring. It records the previous running state, clears po-num, unregisters the...