{
  "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-2025-40336",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40336",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-09T04:09:52.845Z",
    "updatedAt": "2026-10-15T22:02:46.189Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "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": "drm/gpusvm: fix hmm_pfn_to_map_order() usage",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gpusvm: fix hmm_pfn_to_map_order() usage\n\nHandle the case where the hmm range partially covers a huge page (like\n2M), otherwise we can potentially end up doing something nasty like\nmapping memory which is outside the range, and maybe not even mapped by\nthe mm. Fix is based on the xe userptr code, which in a future patch\nwill directly use gpusvm, so needs alignment here.\n\nv2:\n  - Add kernel-doc (Matt B)\n  - s/fls/ilog2/ (Thomas)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "99624bdff8670795b678eafa6509aaad3a5c0175",
              "status": "affected",
              "versionType": "git",
              "lessThan": "08e9fd78ba1b9e95141181c69cc51795c9888157"
            },
            {
              "version": "99624bdff8670795b678eafa6509aaad3a5c0175",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c50729c68aaf93611c855752b00e49ce1fdd1558"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.15"
            },
            {
              "version": "6.17.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}