{
  "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-2023-53389",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53389",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-18T13:33:32.095Z",
    "updatedAt": "2026-05-11T19:44:00.271Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "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: dp: Only trigger DRM HPD events if bridge is attached",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/mediatek: dp: Only trigger DRM HPD events if bridge is attached\n\nThe MediaTek DisplayPort interface bridge driver starts its interrupts\nas soon as its probed. However when the interrupts trigger the bridge\nmight not have been attached to a DRM device. As drm_helper_hpd_irq_event()\ndoes not check whether the passed in drm_device is valid or not, a NULL\npointer passed in results in a kernel NULL pointer dereference in it.\n\nCheck whether the bridge is attached and only trigger an HPD event if\nit is.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "f70ac097a2cf5d4b67b2c1bbb73196c573ffcb7b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6524d3d58797975cc40b85be1e9b89721b4e8d0b"
            },
            {
              "version": "f70ac097a2cf5d4b67b2c1bbb73196c573ffcb7b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3551789d0635dfb2df8ab8e7fdbf0647e9c1724c"
            },
            {
              "version": "f70ac097a2cf5d4b67b2c1bbb73196c573ffcb7b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d1c04e338016ae2517c641806a831b1f3eee2bed"
            },
            {
              "version": "f70ac097a2cf5d4b67b2c1bbb73196c573ffcb7b",
              "status": "affected",
              "versionType": "git",
              "lessThan": "36b617f7e4ae663fcadd202ea061ca695ca75539"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.1"
            },
            {
              "version": "6.1.28",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.15",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.3.*"
            },
            {
              "version": "6.4",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}