CVE-2026-23272

A flaw was found in the Linux kernel's netfilter nftables component. A race condition occurs when elements are inserted into a full set, causing an element to be removed without proper synchronization with Read-Copy-Update RCU readers. This can allow a local attacker to trigger a use-after-free...

EUVD-2026-13607

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while RCU reader can be walking over it...

UBUNTU-CVE-2026-23272

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while RCU reader can be walking over it...

CVE-2026-23272

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion In case that the set is full, a new element gets published then removed without waiting for the RCU grace period, while RCU reader can be walking over it...

CVE-2026-23272

CVE-2026-23272 affects the Linux kernel netfilter nf_tables component. The issue arises when inserting into a full set: the code increments set->nelems and publishes a new element before the RCU grace period, allowing an RCU reader to observe a partially updated element. The description notes ...