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CVE-2026-43454

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CVE-2026-43454

Published: May 8, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

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.

VendorProductVersions

Linux

Linux

affected
a331b78a552551d0e404e58e6390b1c828d6af8f - < 6d2a95c6890577cc3eab2b20018e16850d7fb094
affected
a331b78a552551d0e404e58e6390b1c828d6af8f - < 2041cdb078041611510fc189410bc70b29f688fb
affected
a331b78a552551d0e404e58e6390b1c828d6af8f - < b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b

Linux

Linux

affected
6.16
unaffected
0 - < 6.16
unaffected
6.18.19 - <= 6.18.*
unaffected
6.19.9 - <= 6.19.*
unaffected
7.0 - <= *

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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