CVE-2026-43454 — netfilter: nf_tables: Fix for duplicate device in netdev hooks
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix for duplicate device in netdev hooks When handling NETDEV_REGISTER notification, …
Published: 2026-05-08 · CVSS: 7.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix for duplicate device in netdev hooks When handling NETDEV_REGISTER notification, duplicate device registration must be avoided since the device may have been added by nft_netdev_hook_alloc() already when creating the hook.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7