{
  "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-2025-21699",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21699",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-12T13:52:50.962Z",
    "updatedAt": "2026-08-05T11:53:41.986Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "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": "gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Truncate address space when flipping GFS2_DIF_JDATA flag\n\nTruncate an inode's address space when flipping the GFS2_DIF_JDATA flag:\ndepending on that flag, the pages in the address space will either use\nbuffer heads or iomap_folio_state structs, and we cannot mix the two.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8c41abc11aa8438c9ed2d973f97e66674c0355df"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4e3ded34f3f3c9d7ed2aac7be8cf51153646574a"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2a40a140e11fec699e128170ccaa98b6b82cb503"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4dd57d1f0e9844311c635a7fb39abce4f2ac5a61"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4516febe325342555bb09ca5b396fb816d655821"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0"
            },
            {
              "version": "2164f9b9186962ffb7c687e18ec6f5255525f09d",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7c9d9223802fbed4dee1ae301661bf346964c9d2"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.10",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.10"
            },
            {
              "version": "5.10.234",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.12",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.1",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}