{
  "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-2021-47659",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47659",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:05:56.954Z",
    "updatedAt": "2026-05-11T13:58:47.008Z",
    "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": "drm/plane: Move range check for format_count earlier",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/plane: Move range check for format_count earlier\n\nWhile the check for format_count > 64 in __drm_universal_plane_init()\nshouldn't be hit (it's a WARN_ON), in its current position it will then\nleak the plane->format_types array and fail to call\ndrm_mode_object_unregister() leaking the modeset identifier. Move it to\nthe start of the function to avoid allocating those resources in the\nfirst place.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4ab7e453a3ee88c274cf97bee9487ab92a66d313"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1e29d829ad51d1472dd035487953a6724b56fc33"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b5cd108143513e4498027b96ec4710702d186f11"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "978e3d023256bfaf34a0033d40c94e8a8e70cf3c"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "787163d19bc3cdc6ca4b96223f62208534d1cf6b"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ad6dd7a2bac86118985c7b3426e175b9d3c1ec4f"
            },
            {
              "version": "e6fc3b68558e4c6d8d160b5daf2511b99afa8814",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4b674dd69701c2e22e8e7770c1706a69f3b17269"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.14"
            },
            {
              "version": "4.19.247",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}