CVE-2026-43454

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 v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/2041cdb078041611510fc189410bc70b29f688fb	Patch
https://git.kernel.org/stable/c/6d2a95c6890577cc3eab2b20018e16850d7fb094	Patch
https://git.kernel.org/stable/c/b7cdc5a97d02c943f4bdde4d5767ad0c13cad92b	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::

History

11 Nov 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: netfilter: nf_tables: Corrección para dispositivo duplicado en los hooks de netdev Al manejar la notificación NETDEV_REGISTER, el registro duplicado de dispositivos debe evitarse ya que el dispositivo puede haber sido añadido por nft_netdev_hook_alloc() previamente al crear el hook.

Information

Published : 2026-05-08 15:16

Updated : 2026-11-11 20:10

NVD link : CVE-2026-43454

Mitre link : CVE-2026-43454

CVE.ORG link : CVE-2026-43454

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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