{
  "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-2026-97998",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-97998",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-25T10:23:28.074Z",
    "updatedAt": "2026-10-19T09:12:05.094Z",
    "importedAt": "2026-10-24T01:58:41.756Z",
    "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_log: cope with concurrent instance destruction",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nfnetlink_log: cope with concurrent instance destruction\n\nInstances are refcounted. However, only memory release happens on the\n1 -> 0 transition; the unlink from hashes can occur with any refcount.\n\nUncooperative userspace can force a situation where a queue is pending\nfor destruction from netlink event while a different socket with same\nportid processes an UNBIND request.\n\nWith right timing, this will unhash the instance again:\n\nOops: general protection fault, [..]\nCall Trace:\n <TASK>\n nfulnl_recv_config+0x31a/0xd50\n nfnetlink_rcv_msg+0x7c2/0xeb0",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c5c89beaa628d6ac527c6eb2e01b2b52eb417f59"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "042465e7d3d3127e21f04e42c1639e2518b98915"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "291685fc8d2e4cf75ed3a23c810883653f407f46"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3161186a2ff81288e9a5f35daf1911153764ecae"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0234d7ca0317be0a623300e1693cd794bbfdf8af"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1a7a8ac9a9f0ad0d410c901cb6f233833518844c"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e2dd0f1f8c4e6334699ea6382e52f6da0c7e45eb"
            },
            {
              "version": "0597f2680d666a3bcf101ac0c771ba7e50016bbd",
              "status": "affected",
              "versionType": "git",
              "lessThan": "387d744fa7e499d2c3748a4e60e02ebb24e7fb16"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.14"
            },
            {
              "version": "5.10.271",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.222",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.158",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.111",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.53",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.2.7",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "version": "7.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}