SECUFOCUSNOW
Home›CVE index›CVE-2026-46324
Review reviewHigh

CVE-2026-46324

Linux Linux, linux kernel

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.

CVSS
7.8
EPSS
0.12%
2.03% percentile
CISA KEV
Not listed
Published
2026.06.09
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.12%
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
Linux Linux, linux kernel
Affected versions
>= f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 < 0bd93ce4f3c35e845532184331d7917d7e562c80, >= f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 < 0f33e8ad6ac563ae2233dd7f75884e0ee010521d, >= f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 < f3224ee463f8f6f6ced7dcdf6081add4f8128527, >= c73955a09408e7374d9abfd0e78ce3de9cda0635, >= b09e6ccf0d12f9356e8e3508d3e3dce126298538, >= 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82, >= 9c413a8c8bb49cc16796371805ecb260e885bb2b, >= a3940dcf552f2393d1e8f263b386593f98abe829, >= 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19, >= 4.19.316 < 4.20, >= 5.4.262 < 5.5, >= 5.10.198 < 5.11, >= 5.15.45 < 5.16, >= 5.17.13 < 5.18, >= 5.18.2 < 5.19, >= 5.19, >= 5.18.2 < 6.18.33, >= 6.19 < 7.0.10, 7.1
Fixed versions
4.20, 5.5, 5.11, 5.16, 5.18, 6.18.33, 7.0.10

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available