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CVE-2026-43454

netfilter: nf_tables: Fix for duplicate device in netdev hooks

CVSS 7.8 HIGHEPSS 0.1%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fbhttps://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094https://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b