{
  "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-2021-47263",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47263",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T14:19:55.318Z",
    "updatedAt": "2026-05-11T13:51:07.490Z",
    "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": "gpio: wcd934x: Fix shift-out-of-bounds error",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ngpio: wcd934x: Fix shift-out-of-bounds error\n\nbit-mask for pins 0 to 4 is BIT(0) to BIT(4) however we ended up with BIT(n - 1)\nwhich is not right, and this was caught by below usban check\n\nUBSAN: shift-out-of-bounds in drivers/gpio/gpio-wcd934x.c:34:14",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "59c324683400b41caa6d85b091e812ee3d5415c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0b518a2eb44d8a74c19e50f79a8ed393e96d634"
            },
            {
              "version": "59c324683400b41caa6d85b091e812ee3d5415c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dd55331d493b7ea75c5db1f24d6822946fde2862"
            },
            {
              "version": "59c324683400b41caa6d85b091e812ee3d5415c3",
              "status": "affected",
              "versionType": "git",
              "lessThan": "dbec64b11c65d74f31427e2b9d5746fbf17bf840"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.6"
            },
            {
              "version": "5.10.44",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.12.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}