{
  "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-2026-31407",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31407",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-06T07:38:19.712Z",
    "updatedAt": "2026-10-19T18:35:47.097Z",
    "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: conntrack: add missing netlink policy validations",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: add missing netlink policy validations\n\nHyunwoo Kim reports out-of-bounds access in sctp and ctnetlink.\n\nThese attributes are used by the kernel without any validation.\nExtend the netlink policies accordingly.\n\nQuoting the reporter:\n  nlattr_to_sctp() assigns the user-supplied CTA_PROTOINFO_SCTP_STATE\n  value directly to ct->proto.sctp.state without checking that it is\n  within the valid range. [..]\n\n  and: ... with exp->dir = 100, the access at\n  ct->master->tuplehash[100] reads 5600 bytes past the start of a\n  320-byte nf_conn object, causing a slab-out-of-bounds read confirmed by\n  UBSAN.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e7b5766693477c52424cc6c79dd30a7a9c7db52c"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "78bba9f73942aa7dca47d817d8cec0fb9b443b70"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "be88a337bf07afb1ee173f1099294d1b7ab3fefe"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c5e918390002edf0cff80a0e7ce1f86f16a9507c"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9174d28f3f15d8c4962f5980c0be167633880443"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67c53c1978cef3c504237275e39c857e2f6af56e"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0fbae1e74493d5a160a70c51aeba035d8266ea7d"
            },
            {
              "version": "a258860e01b80e8f554a4ab1a6c95e6042eb8b73",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f900e1d77ee0ef87bfb5ab3fe60f0b3d8ad5ba05"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.27",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.27"
            },
            {
              "version": "5.10.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.209",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.175",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.136",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.83",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.24",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.10",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}