{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-43084",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-43084",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-05-06T07:40:19.253Z",
    "updatedAt": "2026-10-19T19:06:13.178Z",
    "importedAt": "2026-10-24T01:58:08.712Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "netfilter: nfnetlink_queue: make hash table per queue",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_queue: make hash table per queue\n\nSharing a global hash table among all queues is tempting, but\nit can cause crash:\n\nBUG: KASAN: slab-use-after-free in nfqnl_recv_verdict+0x11ac/0x15e0 [nfnetlink_queue]\n[..]\n nfqnl_recv_verdict+0x11ac/0x15e0 [nfnetlink_queue]\n nfnetlink_rcv_msg+0x46a/0x930\n kmem_cache_alloc_node_noprof+0x11e/0x450\n\nstruct nf_queue_entry is freed via kfree, but parallel cpu can still\nencounter such an nf_queue_entry when walking the list.\n\nAlternative fix is to free the nf_queue_entry via kfree_rcu() instead,\nbut as we have to alloc/free for each skb this will cause more mem\npressure.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "371de2bef6582a3f58049b3d18e190924af9c9a0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "22730cb96093b5be0609063bbb1923dbecd61252"
            },
            {
              "version": "870e3e63da8e88daffe9d692a025c711658018a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "41e3652a178cb0eecd48e0e6e27fbb73a004046a"
            },
            {
              "version": "70e2e3ce4f6841e12ec1c104fc76c0e707398ec4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e5ebef91120d2764aefe557c3a484b6288f341f"
            },
            {
              "version": "e19079adcd26a25d7d3e586b1837493361fdf8b6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "936206e3f6ff411581e615e930263d6f8b78df9d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6.12.75",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.83"
            },
            {
              "version": "6.18.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.18.24"
            },
            {
              "version": "6.19.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.19.14"
            }
          ]
        }
      ]
    }
  }
}