{
  "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-2025-21765",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21765",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T02:18:16.078Z",
    "updatedAt": "2026-10-15T01:04:13.418Z",
    "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": "ipv6: use RCU protection in ip6_default_advmss()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: use RCU protection in ip6_default_advmss()\n\nip6_default_advmss() needs rcu protection to make\nsure the net structure it reads does not disappear.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "78ad057472d8c76e0602402269222f9f9c698790"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d02f30d220ef9511568a48dba8a9004c65f8d904"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "28de355b63ad42309ed5a03ee7c436c90512265b"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "84212387caadb211cd9dadd6fd5563bd37dc1f5e"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4176a68b0db8fc74ac14fcd00ba8231371051dc2"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "713a40c892f40300d63691d9f85b2a23b48fe1e8"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "550ed693f47370502a71b85382e7f9e6417300b8"
            },
            {
              "version": "5578689a4e3c04f2d43ea39736fd3fa396d80c6e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3c8ffcd248da34fc41e52a46e51505900115fc2a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.26",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.26"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}