{
  "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-2025-21736",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21736",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-27T02:12:12.871Z",
    "updatedAt": "2026-05-11T21:05:26.846Z",
    "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": "nilfs2: fix possible int overflows in nilfs_fiemap()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix possible int overflows in nilfs_fiemap()\n\nSince nilfs_bmap_lookup_contig() in nilfs_fiemap() calculates its result\nby being prepared to go through potentially maxblocks == INT_MAX blocks,\nthe value in n may experience an overflow caused by left shift of blkbits.\n\nWhile it is extremely unlikely to occur, play it safe and cast right hand\nexpression to wider type to mitigate the issue.\n\nFound by Linux Verification Center (linuxtesting.org) with static analysis\ntool SVACE.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7649937987fed51ed09985da4019d50189fc534e"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "58b1c6881081f5ddfb9a14dc241a74732c0f855c"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8f41df5fd4c11d26e929a85f7239799641f92da7"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f3d80f34f58445355fa27b9579a449fb186aa64e"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f2bd0f1ab47822fe5bd699c8458b896c4b2edea1"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b9495a9109abc31d3170f7aad7d48aa64610a1a2"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "250423300b4b0335918be187ef3cade248c06e6a"
            },
            {
              "version": "622daaff0a8975fb5c5b95f24f3234550ba32e92",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6438ef381c183444f7f9d1de18f22661cba1e946"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.38",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.38"
            },
            {
              "version": "5.4.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.129",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.78",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.13.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.13.*"
            },
            {
              "version": "6.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}