{
  "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-2023-54309",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54309",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-30T12:23:41.834Z",
    "updatedAt": "2026-05-11T19:59:28.525Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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": "tpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_vtpm_proxy: fix a race condition in /dev/vtpmx creation\n\n/dev/vtpmx is made visible before 'workqueue' is initialized, which can\nlead to a memory corruption in the worst case scenario.\n\nAddress this by initializing 'workqueue' as the very first step of the\ndriver initialization.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "509d21f1c4bb9d35d397fca3226165b156a7639f"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "04e8697d26613ccea760cf57eb20a5a27f788c0f"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "86b9820395f226b8f33cbae9599deebf8af1ce72"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9ff7fcb3a2ed0e9b895bb5b4c13872d584a8815b"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e08295290c53a3cf174c236721747a01b9550ae2"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "99b998fb9d7d2d2d9dbb3e19db2d0ade02f5a604"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "092db954e2c3c5ba6c0ce990c7da72cf8f3b9c51"
            },
            {
              "version": "6f99612e250041a2402d3b1694bccb149cd424a4",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f4032d615f90970d6c3ac1d9c0bce3351eb4445c"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.8",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.8"
            },
            {
              "version": "4.14.322",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.251",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.188",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.121",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}