CVE-2026-53000

In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfreercu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nfhookops that are used to register the callbacks. However,...

CVE-2026-53000 netfilter: nat: use kfree_rcu to release ops

In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfreercu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nfhookops that are used to register the callbacks. However,...

kernel: netfilter: nf_tables: release flowtable after rcu grace period on error

A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...