{
  "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-2021-47443",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47443",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-22T06:19:36.889Z",
    "updatedAt": "2026-05-11T13:54:48.249Z",
    "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": "NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: digital: fix possible memory leak in digital_tg_listen_mdaa()\n\n'params' is allocated in digital_tg_listen_mdaa(), but not free when\ndigital_send_cmd() failed, which will cause memory leak. Fix it by\nfreeing 'params' if digital_send_cmd() return failed.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "429054ec51e648d241a7e0b465cf44f6633334c5"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a67d47e32c91e2b10402cb8c081774cbf08edb2e"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b7b023e6ff567e991c31cd425b0e1d16779c938b"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9881b0c860649f27ef2565deef011e516390f416"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7ab488d7228a9dceb2456867f1f0919decf6efed"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3f2960b39f22e26cf8addae93c3f5884d1c183c9"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "564249219e5b5673a8416b5181875d828c3f1e8c"
            },
            {
              "version": "1c7a4c24fbfd99442cc6e14dc80fcb00f118e8b8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "58e7dcc9ca29c14e44267a4d0ea61e3229124907"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.13"
            },
            {
              "version": "4.4.290",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.288",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.252",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.213",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.155",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}