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Vulnerability · Published Jun 9, 2026 · Assigned by Linux

CVE-2026-46324netfilter: nf_tables: use list_del_rcu for netlink hooks

High 7.8

In plain English

A high-severity race condition in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 97.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use list_del_rcu for netlink hooks nft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need to use list_del_rcu(), this list can be walked by concurrent dumpers. Add a new helper and use it consistently.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-46324
Debian:13linux6.12.115-2DEBIAN-CVE-2026-46324
Debian:14linux7.0.10-1DEBIAN-CVE-2026-46324
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux7.0.0-28.28UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-aws7.0.0-1009.9UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-azure7.0.0-1010.10UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-7.07.0.0-1014.14~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-azure-fde7.0.0-1009.9UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-fde-7.07.0.0-1013.13~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-gcp7.0.0-1008.8UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gcp-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-gke7.0.0-1003.4UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-28.28~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-ibm7.0.0-1010.10UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-nvidia7.0.0-1016.16UBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidia-7.07.0.0-1016.16~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-nvidia-bos7.0.0-2016.16UBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1035.38UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1009.9UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-oracle7.0.0-1008.8UBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-oracle-7.07.0.0-1011.11~24.04.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-raspi7.0.0-1015.15UBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-realtime7.0.0-28.28.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-46324
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2026-46324
Ubuntu:26.04:LTSlinux-riscv7.0.0-28.28.1UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-28.28.1~24.04.3UBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-46324
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-46324
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-46324

Affected products (as reported)

VendorProductVersions
Linux Linux f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before 6480ea533cedfbf79ea5a1f12c5f71d41484dd8af9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before 2405730fde96f7fa483a5862e323b681e0e09f54f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before fe45e203527af8a2c0dc4c8a7b56c09c74b796c8f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before 0bd93ce4f3c35e845532184331d7917d7e562c80f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before 0f33e8ad6ac563ae2233dd7f75884e0ee010521df9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – before f3224ee463f8f6f6ced7dcdf6081add4f8128527c73955a09408e7374d9abfd0e78ce3de9cda0635b09e6ccf0d12f9356e8e3508d3e3dce126298538
Linux Linux 5.19

Weakness: CWE-362 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References