{
  "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-2023-54305",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54305",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-30T12:23:39.163Z",
    "updatedAt": "2026-05-11T19:59:23.898Z",
    "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": "ext4: refuse to create ea block when umounted",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: refuse to create ea block when umounted\n\nThe ea block expansion need to access s_root while it is\nalready set as NULL when umount is triggered. Refuse this\nrequest to avoid panic.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aedea161d031502a423ed1c7597754681a4f8cda"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "21f6a80d9234422e2eb445734b22c78fc5bf6719"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a92b67e768bde433b9385cde56c09deb58db269e"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0dc0fa313bb4e86382a3e7125429710d44383196"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "116008ada3d0de4991099edaf6b8c2e9cd6f225a"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "05cbf6ddd9847c7b4f0662c048f195b09405a9d0"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a458a8c1d1fc4e10a1813786132b09a3863ad3f2"
            },
            {
              "version": "e50e5129f384ae282adebfb561189cdb19b81cee",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f31173c19901a96bb2ebf6bcfec8a08df7095c91"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.13"
            },
            {
              "version": "4.14.308",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.276",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.173",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.99",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}