{
  "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-2023-53861",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53861",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-09T01:30:29.423Z",
    "updatedAt": "2026-05-23T15:31:31.661Z",
    "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: correct grp validation in ext4_mb_good_group",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: correct grp validation in ext4_mb_good_group\n\nGroup corruption check will access memory of grp and will trigger kernel\ncrash if grp is NULL. So do NULL check before corruption check.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "100c0ad6c04597fefeaaba2bb1827cc015d95067",
              "status": "affected",
              "versionType": "git",
              "lessThan": "245759d987b617d183061db6ab8886ebb5cc78e9"
            },
            {
              "version": "620a3c28221bb219b81bc0bffd065cc187494302",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3e24082f16825279054a2b8a5e668d65070bbf07"
            },
            {
              "version": "b4319e457d6e3fb33e443efeaf4634fc36e8a9ed",
              "status": "affected",
              "versionType": "git",
              "lessThan": "772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035d"
            },
            {
              "version": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4"
            },
            {
              "version": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e69d665987db0e37896adf78a7e718f9a0a75d3f"
            },
            {
              "version": "5354b2af34064a4579be8bc0e2f15a7b70f14b5f",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93"
            },
            {
              "version": "31668cebf45adfb6283e465e641c4f5a21b07afa",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.10.181",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.10.195"
            },
            {
              "version": "5.15.113",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.132"
            },
            {
              "version": "6.1.30",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.53"
            },
            {
              "version": "6.3.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "5.10.195",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.132",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.53",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.4.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}