Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: The hooks related to netdev are always released after the notifier is removed. This resolves the issue where, when a veth device is released, the veth release callback also queues the peer netns device for...

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

A flaw was found in the Linux kernel's netfilter nftables component. This vulnerability allows for duplicate device registration when handling network device registration notifications. Such duplicate registrations can lead to unexpected system behavior or instability...

SUSE CVE-2026-46324

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use listdelrcu for netlink hooks nftnetdevunregisterhooks and nftunregisterflowtablenethooks need to use listdelrcu, this list can be walked by concurrent dumpers. Add a new helper and use it consistently...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Fix for duplicate devices in netdev hooks When handling NETDEVREGISTER notifications, duplicate device registrations must be avoided, as the device might have been added by nftnetdevhookalloc during the...

SUSE CVE-2026-43454

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

Linux Distros Unpatched Vulnerability : CVE-2026-43454

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the...

EUVD-2026-28760

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

CVE-2026-43454

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

CVE-2026-43454

CVE-2026-43454 concerns the Linux kernel nf_tables netfilter component. The issue arises when handling NETDEV_REGISTER notifications: a device may be registered twice because nft_netdev_hook_alloc() could have already added the device when the hook was created. The result is duplicate device regi...

CVE-2026-43454

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

CVE-2026-43454 netfilter: nf_tables: Fix for duplicate device in netdev hooks

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

CVE-2026-43454: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

PT-2026-39115

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter nf tables component where duplicate device registration can occur when handling NETDEV REGISTER notifications. This happens because a device might have...

CVE-2023-54200

The CVE-2023-54200 issue affects the Linux kernel netfilter nf_tables hooks for netdev: they are now always released from the notifier, reverting a previous change that skipped netdev events on netns removal. The bug can cause a use-after-free in nf_hook_entry_head (KASAN) when a veth release que...

CVE-2023-54200 netfilter: nf_tables: always release netdev hooks from notifier

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: always release netdev hooks from notifier This reverts "netfilter: nftables: skip netdev events generated on netns removal". The problem is that when a veth device is released, the veth release callback will...

CVE-2023-54200

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: always release netdev hooks from notifier This reverts "netfilter: nftables: skip netdev events generated on netns removal". The problem is that when a veth device is released, the veth release callback will...

CVE-2023-54200 netfilter: nf_tables: always release netdev hooks from notifier

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: always release netdev hooks from notifier This reverts "netfilter: nftables: skip netdev events generated on netns removal". The problem is that when a veth device is released, the veth release callback will...

PT-2025-54029

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's netfilter component, specifically within the nf tables subsystem. The issue involves the improper handling of network device netdev hooks during netwo...