{
  "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-2021-47518",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47518",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-24T15:09:31.334Z",
    "updatedAt": "2026-05-11T13:56:12.796Z",
    "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: fix potential NULL pointer deref in nfc_genl_dump_ses_done",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done\n\nThe done() netlink callback nfc_genl_dump_ses_done() should check if\nreceived argument is non-NULL, because its allocation could fail earlier\nin dumpit() (nfc_genl_dump_ses()).",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "87cdb8789c38e44ae5454aafe277997c950d00ed"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "69bb79a8f5bb9f436b6f1434ca9742591b7bbe18"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "811a7576747760bcaf60502f096d1e6e91d566fa"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3b861a40325eac9c4c13b6c53874ad90617e944d"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "48fcd08fdbe05e35b650a252ec2a2d96057a1c7a"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "83ea620a1be840bf05089a5061fb8323ca42f38c"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fae9705d281091254d4a81fa2da9d22346097dca"
            },
            {
              "version": "ac22ac466a659f1b2e02a2e2ee23fc5c42da2c95",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4cd8371a234d051f9c9557fcbb1f8c523b1c0d10"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.12",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.12"
            },
            {
              "version": "4.4.295",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.293",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.258",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.221",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.165",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.85",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}