CVE-2026-46324

High

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.

Package Linux Kernel
Published 2026-06-09
Last modified 2026-07-23
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected versions

Linux kernel versions 4.19.316, 5.4.262, 5.10.198, 5.15.45, 5.17.13, 5.18.2, 5.19 and later are affected. Fixed in 6.18.33, 7.0.10, 7.1 and their respective stable series.

Affected from
≥ 4.19.316 ≥ 5.4.262 ≥ 5.10.198 ≥ 5.15.45 ≥ 5.17.13 ≥ 5.18.2 ≥ 5.19
Fixed in
✓ 6.18.33 6.18.x ✓ 7.0.10 7.0.x ✓ 7.1

Frequently asked questions

  • What is CVE-2026-46324?

    CVE-2026-46324 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.19.316 onward and has been patched in 6.18.33, 7.0.10 and 7.1. CVE-2026-46324 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-46324?

    CVE-2026-46324 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2026-46324?

    Yes. CVE-2026-46324 has been patched. Fixed versions include 6.18.33, 7.0.10 and 7.1. If you are running Linux kernel 4.19.316 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-46324 actively exploited?

    No. CVE-2026-46324 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.