{
  "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-2023-53664",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53664",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-10-07T15:21:23.127Z",
    "updatedAt": "2026-05-11T19:49:31.878Z",
    "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": "OPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nOPP: Fix potential null ptr dereference in dev_pm_opp_get_required_pstate()\n\n\"opp\" pointer is dereferenced before the IS_ERR_OR_NULL() check. Fix it by\nremoving the dereference to cache opp_table and dereference it directly\nwhere opp_table is used.\n\nThis fixes the following smatch warning:\n\ndrivers/opp/core.c:232 dev_pm_opp_get_required_pstate() warn: variable\ndereferenced before IS_ERR check 'opp' (see line 230)",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "25130b27e0352acb83e91c467853eb9afad3b644"
            },
            {
              "version": "84cb7ff35fcf7c0b552f553a3f2db9c3e92fc707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7ddd8deb1c3c0363a7e14fafb5df26e2089a69a5"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.5",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.5"
            },
            {
              "version": "6.5.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}