High severity7.8NVD Advisory· Published May 8, 2026· Updated May 12, 2026

CVE-2026-43454

Description

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.

Affected products

Linux/Kernelllm-fuzzy

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fbnvd
git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094nvd
git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92bnvd

News mentions

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