{
  "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-2026-31414",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31414",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-13T13:21:02.592Z",
    "updatedAt": "2026-10-19T18:35:47.389Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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: nf_conntrack_expect: use expect->helper",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_expect: use expect->helper\n\nUse expect->helper in ctnetlink and /proc to dump the helper name.\nUsing nfct_help() without holding a reference to the master conntrack\nis unsafe.\n\nUse exp->master->helper in ctnetlink path if userspace does not provide\nan explicit helper when creating an expectation to retain the existing\nbehaviour. The ctnetlink expectation path holds the reference on the\nmaster conntrack and nf_conntrack_expect lock and the nfnetlink glue\npath refers to the master ct that is attached to the skb.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "847cb7fe26c5ce5dce0d1a41fac1ea488b7f1781"
            },
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e7ccaa0a62a8ff2be5d521299ce79390c318d306"
            },
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4bd1b3d839172724b33d8d02c5a4ff6a1c775417"
            },
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b53294bff19e56ada2f230ceb8b1ffde61cc3817"
            },
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3dfd3f7712b5a800f2ba632179e9b738076a51f0"
            },
            {
              "version": "ea781f197d6a835cbb93a0bf88ee1696296ed8aa",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f01794106042ee27e54af6fdf5b319a2fe3df94d"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.30",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.30"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.134",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.81",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.22",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}