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CVE-2026-43454

netfilter: nf_tables: Fix for duplicate device in netdev hooks PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected a331b78a552551d0e404e58e6390b1c828d6af8f before 6d2a95c6890577cc3eab2b20018e16850d7fb094; affected a331b78a552551d0e404e58e6390b1c828d6af8f before 2041cdb078041611510fc189410bc70b29f688fb; affected a331b78a552551d0e404e58e6390b1c828d6af8f before b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b
Linux / Linuxaffected 6.16; unaffected 0 before 6.16; unaffected 6.18.19 through 6.18.*; unaffected 6.19.9 through 6.19.*; unaffected 7.0 through *

CWE

No CWE identifiers supplied.

References