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CVE-2026-46324

netfilter: nf_tables: use list_del_rcu for netlink hooks

HIGH
7.8
CVSS Score
Published: June 9, 2026 at 12:11 PM UTC
Updated: October 30, 2026 at 01:19 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.19.316 ≤ v < 4.205.10.198 ≤ v < 5.115.15.45 ≤ v < 5.165.17.13 ≤ v < 5.185.18.2 ≤ v < 6.18.335.4.262 ≤ v < 5.56.19 ≤ v < 7.0.103fac8ce48fa9fd61ee9056d3ed48b2edefca8b824.19.3165.10.1985.15.455.17.135.18.25.4.2627.17.1 rc186c0154f4c3a56c5db8b9dd09e3ce885382c2c199c413a8c8bb49cc16796371805ecb260e885bb2ba3940dcf552f2393d1e8f263b386593f98abe829b09e6ccf0d12f9356e8e3508d3e3dce126298538c73955a09408e7374d9abfd0e78ce3de9cda0635f9a43007d3f7ba76d5e7f9421094f00f2ef202f8
Vendor states this is fixed in 0bd93ce4f3c35e845532184331d7917d7e562c80 (fixed)
Vendor states this is fixed in 0f33e8ad6ac563ae2233dd7f75884e0ee010521d (fixed)
Vendor states this is fixed in f3224ee463f8f6f6ced7dcdf6081add4f8128527 (fixed)
Affected range stops below 4.20, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.18, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 5.19 (unaffected)
Affected range stops below 5.5, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 6.12.114 (unaffected)
Vendor states this is fixed in 6.18.33 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (6)

Patch
Source: cverecord
https://git.kernel.org/stable/c/0bd93ce4f3c35e845532184331d7917d7e562c80
Patch
Source: cverecord
https://git.kernel.org/stable/c/0f33e8ad6ac563ae2233dd7f75884e0ee010521d
Patch
Source: cverecord
https://git.kernel.org/stable/c/f3224ee463f8f6f6ced7dcdf6081add4f8128527
Source: cverecord
https://git.kernel.org/stable/c/2405730fde96f7fa483a5862e323b681e0e09f54
Source: cverecord
https://git.kernel.org/stable/c/fe45e203527af8a2c0dc4c8a7b56c09c74b796c8
Source: cverecord
https://git.kernel.org/stable/c/6480ea533cedfbf79ea5a1f12c5f71d41484dd8a

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-362

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