CVE-2026-43454

Published: May 8, 2026Modified: Jun 17, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

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 (5)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.16 to 6.18.19
Linux Linux Kernel	From 6.19 to 6.19.9
Linux Linux Kernel	Version 7.0 rc1
Linux Linux Kernel	Version 7.0 rc2
Linux Linux Kernel	Version 7.0 rc3

References (3)

https://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fb

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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