{
  "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-2025-40316",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-40316",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-08T00:46:43.210Z",
    "updatedAt": "2026-05-23T16:02:05.577Z",
    "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/mediatek: Fix device use-after-free on unbind",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: Fix device use-after-free on unbind\n\nA recent change fixed device reference leaks when looking up drm\nplatform device driver data during bind() but failed to remove a partial\nfix which had been added by commit 80805b62ea5b (\"drm/mediatek: Fix\nkobject put for component sub-drivers\").\n\nThis results in a reference imbalance on component bind() failures and\non unbind() which could lead to a user-after-free.\n\nMake sure to only drop the references after retrieving the driver data\nby effectively reverting the previous partial fix.\n\nNote that holding a reference to a device does not prevent its driver\ndata from going away so there is no point in keeping the reference.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7d98166183d627c0b9daca7672b2191fae0f8a03",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a5a896f8315de358a2932e2c23c42d550256046a"
            },
            {
              "version": "31ce7c089b50c3d3056c37e0e25e7535e4428ae1",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0142fe895986addf35885b43440718e567121155"
            },
            {
              "version": "1f403699c40f0806a707a9a6eed3b8904224021a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8ba827e09eb586e952d10e39406fa02d10bb591e"
            },
            {
              "version": "1f403699c40f0806a707a9a6eed3b8904224021a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "926d002e6d7e2f1fd5c1b53cf6208153ee7d380d"
            },
            {
              "version": "fae58d0155a979a8c414bbc12db09dd4b2f910d0",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "6.6.105",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.117"
            },
            {
              "version": "6.12.45",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.58"
            },
            {
              "version": "6.16.5",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.17"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.17",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.17"
            },
            {
              "version": "6.6.117",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.58",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.17.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "version": "6.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}