{
  "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-2021-47602",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47602",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-06-19T14:54:02.310Z",
    "updatedAt": "2026-05-11T13:57:43.103Z",
    "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: track only QoS data frames for admission control",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: track only QoS data frames for admission control\n\nFor admission control, obviously all of that only works for\nQoS data frames, otherwise we cannot even access the QoS\nfield in the header.\n\nSyzbot reported (see below) an uninitialized value here due\nto a status of a non-QoS nullfunc packet, which isn't even\nlong enough to contain the QoS header.\n\nFix this to only do anything for QoS data packets.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "02219b3abca59fca81711bfe7ee78df7abad97ce",
              "status": "affected",
              "versionType": "git",
              "lessThan": "69f054d6642c8f6173724ce17e7ee3ff66b8f682"
            },
            {
              "version": "02219b3abca59fca81711bfe7ee78df7abad97ce",
              "status": "affected",
              "versionType": "git",
              "lessThan": "46b9e29db2012a4d2a40a26101862e002ccf387b"
            },
            {
              "version": "02219b3abca59fca81711bfe7ee78df7abad97ce",
              "status": "affected",
              "versionType": "git",
              "lessThan": "eed897a22230e3231a740eddd7d6d95ba476625f"
            },
            {
              "version": "02219b3abca59fca81711bfe7ee78df7abad97ce",
              "status": "affected",
              "versionType": "git",
              "lessThan": "42d08e97b196479f593499e887a9ab81446a34b9"
            },
            {
              "version": "02219b3abca59fca81711bfe7ee78df7abad97ce",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d5e568c3a4ec2ddd23e7dc5ad5b0c64e4f22981a"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.19",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.19"
            },
            {
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}