Riskcovery

CVE-2026-46324

netfilter: nf_tables: use list_del_rcu for netlink hooks

State
Published
Severity
7.8 High
Published
Jun 9, 2026
Updated
Oct 30, 2026
Reserved
May 13, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux

Weaknesses

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

ProductVersions
LinuxLinux
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before 6480ea533cedfbf79ea5a1f12c5f71d41484dd8aAffected
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before 2405730fde96f7fa483a5862e323b681e0e09f54Affected
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before fe45e203527af8a2c0dc4c8a7b56c09c74b796c8Affected
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before 0bd93ce4f3c35e845532184331d7917d7e562c80Affected
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before 0f33e8ad6ac563ae2233dd7f75884e0ee010521dAffected
  • f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 to before f3224ee463f8f6f6ced7dcdf6081add4f8128527Affected
  • c73955a09408e7374d9abfd0e78ce3de9cda0635Affected
  • b09e6ccf0d12f9356e8e3508d3e3dce126298538Affected
  • 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82Affected
  • 9c413a8c8bb49cc16796371805ecb260e885bb2bAffected
  • a3940dcf552f2393d1e8f263b386593f98abe829Affected
  • 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19Affected
  • 4.19.316 to before 4.20Affected
  • 5.4.262 to before 5.5Affected
  • 5.10.198 to before 5.11Affected
  • 5.15.45 to before 5.16Affected
  • 5.17.13 to before 5.18Affected
  • 5.18.2 to before 5.19Affected
LinuxLinux
  • 5.19Affected
  • before 5.19Not affected
  • 6.1.191 through 6.1.*Not affected
  • 6.6.160 through 6.6.*Not affected
  • 6.12.114 through 6.12.*Not affected
  • 6.18.33 through 6.18.*Not affected
  • 7.0.10 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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