CVE-2026-43084

A flaw was found in the Linux kernel's netfilter component. This vulnerability, a use-after-free, occurs due to the sharing of a global hash table among all queues in nfnetlinkqueue. This allows a parallel CPU to access a nfqueueentry after it has been freed, leading to a system crash and a Denia...

CVE-2026-43084: Use After Free

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: make hash table per queue Sharing a global hash table among all queues is tempting, but it can cause crash: BUG: KASAN: slab-use-after-free in nfqnlrecvverdict+0x11ac/0x15e0 nfnetlinkqueue...