Vulnerability-Lookup

GHSA-42P7-8G8P-R7FH

Vulnerability from github – Published: 2026-06-09 15:32 – Updated: 2026-06-14 06:30

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.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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": "HIGH"
  },
  "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": "2026-06-14T06:30:24Z",
  "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": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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

Vulnerability from cvelistv5 – Published: 2026-06-09 12:11 – Updated: 2026-06-14 18:09

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

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_tables_api.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0bd93ce4f3c35e845532184331d7917d7e562c80",
              "status": "affected",
              "version": "f9a43007d3f7ba76d5e7f9421094f00f2ef202f8",
              "versionType": "git"
            },
            {
              "lessThan": "0f33e8ad6ac563ae2233dd7f75884e0ee010521d",
              "status": "affected",
              "version": "f9a43007d3f7ba76d5e7f9421094f00f2ef202f8",
              "versionType": "git"
            },
            {
              "lessThan": "f3224ee463f8f6f6ced7dcdf6081add4f8128527",
              "status": "affected",
              "version": "f9a43007d3f7ba76d5e7f9421094f00f2ef202f8",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "c73955a09408e7374d9abfd0e78ce3de9cda0635",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "b09e6ccf0d12f9356e8e3508d3e3dce126298538",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "9c413a8c8bb49cc16796371805ecb260e885bb2b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "a3940dcf552f2393d1e8f263b386593f98abe829",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "86c0154f4c3a56c5db8b9dd09e3ce885382c2c19",
              "versionType": "git"
            },
            {
              "lessThan": "4.20",
              "status": "affected",
              "version": "4.19.316",
              "versionType": "semver"
            },
            {
              "lessThan": "5.5",
              "status": "affected",
              "version": "5.4.262",
              "versionType": "semver"
            },
            {
              "lessThan": "5.11",
              "status": "affected",
              "version": "5.10.198",
              "versionType": "semver"
            },
            {
              "lessThan": "5.16",
              "status": "affected",
              "version": "5.15.45",
              "versionType": "semver"
            },
            {
              "lessThan": "5.18",
              "status": "affected",
              "version": "5.17.13",
              "versionType": "semver"
            },
            {
              "lessThan": "5.19",
              "status": "affected",
              "version": "5.18.2",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/netfilter/nf_tables_api.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.19"
            },
            {
              "lessThan": "5.19",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.33",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.10",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "5.19",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "4.19.316",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.4.262",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.10.198",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.15.45",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.17.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "5.18.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T18:09:18.857Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0bd93ce4f3c35e845532184331d7917d7e562c80"
        },
        {
          "url": "https://git.kernel.org/stable/c/0f33e8ad6ac563ae2233dd7f75884e0ee010521d"
        },
        {
          "url": "https://git.kernel.org/stable/c/f3224ee463f8f6f6ced7dcdf6081add4f8128527"
        }
      ],
      "title": "netfilter: nf_tables: use list_del_rcu for netlink hooks",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46324",
    "datePublished": "2026-06-09T12:11:16.602Z",
    "dateReserved": "2026-05-13T15:03:33.112Z",
    "dateUpdated": "2026-06-14T18:09:18.857Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

GHSA-42P7-8G8P-R7FH

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

Tags

Sightings

Nomenclature