{
  "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-2025-21687",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-21687",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-10T15:58:43.944Z",
    "updatedAt": "2026-08-05T11:53:37.668Z",
    "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": "vfio/platform: check the bounds of read/write syscalls",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvfio/platform: check the bounds of read/write syscalls\n\ncount and offset are passed from user space and not checked, only\noffset is capped to 40 bits, which can be used to read/write out of\nbounds of the device.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f21636f24b6786c8b13f1af4319fa75ffcf17f38"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9377cdc118cf327248f1a9dde7b87de067681dc9"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d19a8650fd3d7aed8d1af1d9a77f979a8430eba1"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ed81d82bb6e9df3a137f2c343ed689e6c68268ef"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "92340e6c5122d823ad064984ef7513eba9204048"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f65ce06387f8c1fb54bd59e18a8428248ec68eaf"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6bcb8a5b70b80143db9bf12dfa7d53636f824d53"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1485932496a1b025235af8aa1e21988d6b7ccd54"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c981c32c38af80737a2fedc16e270546d139ccdd"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a20fcaa230f7472456d12cf761ed13938e320ac3"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "665cfd1083866f87301bbd232cb8ba48dcf4acce"
            },
            {
              "version": "6e3f264560099869f68830cb14b3b3e71e5ac76a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ce9ff21ea89d191e477a02ad7eabf4f996b80a69"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.1"
            },
            {
              "version": "5.4.290",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.4.291",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.234",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.10.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.15.179",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.128",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.1.129",
              "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": "*"
            }
          ]
        }
      ]
    }
  }
}