{
  "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-2021-47611",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47611",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-06-19T14:58:00.362Z",
    "updatedAt": "2026-08-05T08:48:36.304Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "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": "mac80211: validate extended element ID is present",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: validate extended element ID is present\n\nBefore attempting to parse an extended element, verify that\nthe extended element ID is present.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "41cbb0f5a29592874355e4159489eb08337cd50e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "03029bb044ccee60adbc93e70713f3ae58abc3a1"
            },
            {
              "version": "41cbb0f5a29592874355e4159489eb08337cd50e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a19cf6844b509d44ecbd536f33d314d91ecdd2b5"
            },
            {
              "version": "41cbb0f5a29592874355e4159489eb08337cd50e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7fd214fc7f2ee3a89f91e717e3cfad55f5a27045"
            },
            {
              "version": "41cbb0f5a29592874355e4159489eb08337cd50e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c62b16f98688ae7bc0ab23a6490481f4ce9b3a49"
            },
            {
              "version": "41cbb0f5a29592874355e4159489eb08337cd50e",
              "status": "affected",
              "versionType": "git",
              "lessThan": "768c0b19b50665e337c96858aa2b7928d6dcf756"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.19"
            },
            {
              "version": "4.19.222",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.88",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}