Vulnerability-Lookup

CVE-2026-46324 (GCVE-0-2026-46324)

Vulnerability from cvelistv5 – Published: 2026-06-09 12:11 – Updated: 2026-06-09 12:11

Title

netfilter: nf_tables: use list_del_rcu for netlink hooks

Summary

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.

Severity

No CVSS data available.

Assigner

Linux

References

3 references

URL	Tags
https://git.kernel.org/stable/c/0bd93ce4f3c35e845…
https://git.kernel.org/stable/c/0f33e8ad6ac563ae2…
https://git.kernel.org/stable/c/f3224ee463f8f6f6c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 , < 0bd93ce4f3c35e845532184331d7917d7e562c80 (git) Affected: f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 , < 0f33e8ad6ac563ae2233dd7f75884e0ee010521d (git) Affected: f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 , < f3224ee463f8f6f6ced7dcdf6081add4f8128527 (git) Affected: c73955a09408e7374d9abfd0e78ce3de9cda0635 (git) Affected: b09e6ccf0d12f9356e8e3508d3e3dce126298538 (git) Affected: 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 (git) Affected: 9c413a8c8bb49cc16796371805ecb260e885bb2b (git) Affected: a3940dcf552f2393d1e8f263b386593f98abe829 (git) Affected: 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 (git) Affected: 4.19.316 , < 4.20 (semver) Affected: 5.4.262 , < 5.5 (semver) Affected: 5.10.198 , < 5.11 (semver) Affected: 5.15.45 , < 5.16 (semver) Affected: 5.17.13 , < 5.18 (semver) Affected: 5.18.2 , < 5.19 (semver)
Linux	Linux	Affected: 5.19 Unaffected: 0 , < 5.19 (semver) Unaffected: 6.18.33 , ≤ 6.18.* (semver) Unaffected: 7.0.10 , ≤ 7.0.* (semver) Unaffected: 7.1-rc2 , ≤ * (original_commit_for_fix)

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          "programFiles": [
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        }
      ],
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    "datePublished": "2026-06-09T12:11:16.602Z",
    "dateReserved": "2026-05-13T15:03:33.112Z",
    "dateUpdated": "2026-06-09T12:11:16.602Z",
    "state": "PUBLISHED"
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  }
}

FKIE_CVE-2026-46324

Vulnerability from fkie_nvd - Published: 2026-06-09 13:16 - Updated: 2026-06-09 13:16

Severity

Summary

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0bd93ce4f3c35e845532184331d7917d7e562c80
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0f33e8ad6ac563ae2233dd7f75884e0ee010521d
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f3224ee463f8f6f6ced7dcdf6081add4f8128527

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: use list_del_rcu for netlink hooks\n\nnft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need\nto use list_del_rcu(), this list can be walked by concurrent dumpers.\n\nAdd a new helper and use it consistently."
    }
  ],
  "id": "CVE-2026-46324",
  "lastModified": "2026-06-09T13:16:37.893",
  "metrics": {},
  "published": "2026-06-09T13:16:37.893",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0bd93ce4f3c35e845532184331d7917d7e562c80"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/0f33e8ad6ac563ae2233dd7f75884e0ee010521d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f3224ee463f8f6f6ced7dcdf6081add4f8128527"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

GHSA-42P7-8G8P-R7FH

Vulnerability from github – Published: 2026-06-09 15:32 – Updated: 2026-06-09 15:32

Details

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.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-46324"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-09T13:16:37Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: use list_del_rcu for netlink hooks\n\nnft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need\nto use list_del_rcu(), this list can be walked by concurrent dumpers.\n\nAdd a new helper and use it consistently.",
  "id": "GHSA-42p7-8g8p-r7fh",
  "modified": "2026-06-09T15:32:18Z",
  "published": "2026-06-09T15:32:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46324"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0bd93ce4f3c35e845532184331d7917d7e562c80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0f33e8ad6ac563ae2233dd7f75884e0ee010521d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f3224ee463f8f6f6ced7dcdf6081add4f8128527"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

MSRC_CVE-2026-46324

Vulnerability from csaf_microsoft - Published: 2026-06-02 00:00 - Updated: 2026-06-10 01:06

Summary

netfilter: nf_tables: use list_del_rcu for netlink hooks

Notes

Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

CVE-2026-46324

Affected products

Known affected 1 product

Product	Identifier	Version	Remediation
Unresolved product id: 17084-1		—	None Available

References

4 references

URL	Category
https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self
https://support.microsoft.com/lifecycle	external
https://www.first.org/cvss	external
https://msrc.microsoft.com/csaf/vex/2026/msrc_cve…	self

JSON

To clipboard

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-46324 netfilter: nf_tables: use list_del_rcu for netlink hooks - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46324.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "netfilter: nf_tables: use list_del_rcu for netlink hooks",
    "tracking": {
      "current_release_date": "2026-06-10T01:06:09.000Z",
      "generator": {
        "date": "2026-06-10T07:02:18.587Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-46324",
      "initial_release_date": "2026-06-02T00:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-06-10T01:06:09.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "3.0",
                "product": {
                  "name": "Azure Linux 3.0",
                  "product_id": "17084"
                }
              }
            ],
            "category": "product_name",
            "name": "Azure Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                "product": {
                  "name": "azl3 kernel 0:6.6.139.1-1.azl3",
                  "product_id": "1"
                }
              }
            ],
            "category": "product_name",
            "name": "kernel"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "azl3 kernel 0:6.6.139.1-1.azl3 as a component of Azure Linux 3.0",
          "product_id": "17084-1"
        },
        "product_reference": "1",
        "relates_to_product_reference": "17084"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-46324",
      "notes": [
        {
          "category": "general",
          "text": "Linux",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "known_affected": [
          "17084-1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-46324 netfilter: nf_tables: use list_del_rcu for netlink hooks - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-46324.json"
        }
      ],
      "remediations": [
        {
          "category": "none_available",
          "date": "2026-06-10T01:06:09.000Z",
          "details": "There is no fix available for this vulnerability as of now",
          "product_ids": [
            "17084-1"
          ]
        }
      ],
      "title": "netfilter: nf_tables: use list_del_rcu for netlink hooks"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2026-46324 (GCVE-0-2026-46324)

FKIE_CVE-2026-46324

GHSA-42P7-8G8P-R7FH

MSRC_CVE-2026-46324

Tags

Sightings

Nomenclature