{
  "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-2023-53450",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53450",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-01T11:42:22.074Z",
    "updatedAt": "2026-05-11T19:45:14.540Z",
    "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: remove a BUG_ON in ext4_mb_release_group_pa()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: remove a BUG_ON in ext4_mb_release_group_pa()\n\nIf a malicious fuzzer overwrites the ext4 superblock while it is\nmounted such that the s_first_data_block is set to a very large\nnumber, the calculation of the block group can underflow, and trigger\na BUG_ON check.  Change this to be an ext4_warning so that we don't\ncrash the kernel.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d5bf8f7fb3ee3d99d1303ceb54599ea0599a4a5b"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef16d8a1798db1a1604ac44ca1bd73ec6bebf483"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "185062a21976fbc38f2efd296951b02c4500cf65"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b0fc279de4bf17e1710bb7e83906538ff8f11111"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "978e5e9111af18741449b81fefd531a622dd969a"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d87a4e4094c9879fc8acdff8ce59fdffa979c8e0"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf2a16eb4e6d06124bd8436d4546f61539a65f29"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "53c14e7cc2257191ba15425c15638fc4f8abb92b"
            },
            {
              "version": "c9de560ded61faa5b754137b7753da252391c55a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "463808f237cf73e98a1a45ff7460c2406a150a0b"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.25",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.25"
            },
            {
              "version": "4.14.315",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.283",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.243",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.180",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.112",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.29",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}