{
  "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-2025-21764",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21764",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T02:18:15.598Z",
    "updatedAt": "2026-10-15T01:04:11.375Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "ndisc: use RCU protection in ndisc_alloc_skb()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nndisc: use RCU protection in ndisc_alloc_skb()\n\nndisc_alloc_skb() can be called without RTNL or RCU being held.\n\nAdd RCU protection to avoid possible UAF.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "96fc896d0e5b37c12808df797397fb16f3080879"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b870256dd2a5648d5ed2f22316b3ac29a7e5ed63"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3c2d705f5adf5d860aaef90cb4211c0fde2ba66d"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9e0ec817eb41a55327a46cd3ce331a9868d60304"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bbec88e4108e8d6fb468d3817fa652140a44ff28"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd1065f92eb7ff21b9ba5308a86f33d1670bf926"
            },
            {
              "version": "de09334b9326632bbf1a74bfd8b01866cbbf2f61",
              "status": "affected",
              "versionType": "git",
              "lessThan": "628e6d18930bbd21f2d4562228afe27694f66da9"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.9",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.9"
            },
            {
              "version": "5.4.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.129",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.79",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}