{
  "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-2021-47426",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47426",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T15:04:12.581Z",
    "updatedAt": "2026-05-11T13:54:28.407Z",
    "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": "bpf, s390: Fix potential memory leak about jit_data",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, s390: Fix potential memory leak about jit_data\n\nMake sure to free jit_data through kfree() in the error path.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1c8f9b91c456f5b47a377a0c8c5d4130fc39433a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a326f9c01cfbee4450ae49ce618ae6cbc0f76842"
            },
            {
              "version": "1c8f9b91c456f5b47a377a0c8c5d4130fc39433a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "29fdb11ca88d3c490a3d56f0dc77eb9444d086be"
            },
            {
              "version": "1c8f9b91c456f5b47a377a0c8c5d4130fc39433a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d590a410e472417a22336c7c37685bfb38e801f2"
            },
            {
              "version": "1c8f9b91c456f5b47a377a0c8c5d4130fc39433a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "686cb8b9f6b46787f035afe8fbd132a74e6b1bdd"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "5.4.153",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.73",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.14.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.14.*"
            },
            {
              "version": "5.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}