{
  "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-2026-23443",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-23443",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-03T15:15:27.698Z",
    "updatedAt": "2026-05-11T22:07:00.396Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "ACPI: processor: Fix previous acpi_processor_errata_piix4() fix",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: Fix previous acpi_processor_errata_piix4() fix\n\nAfter commi f132e089fe89 (\"ACPI: processor: Fix NULL-pointer dereference\nin acpi_processor_errata_piix4()\"), device pointers may be dereferenced\nafter dropping references to the device objects pointed to by them,\nwhich may cause a use-after-free to occur.\n\nMoreover, debug messages about enabling the errata may be printed\nif the errata flags corresponding to them are unset.\n\nAddress all of these issues by moving message printing to the points\nin the code where the errata flags are set.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "06724a60cfa9767ea90b0f5d3dfb5cdd251b64f5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "68408e8f9e366ad9850a66ac65cb569f13bf6cd4"
            },
            {
              "version": "ad86ac604f8391c0212a91412d4f764c7a85f254",
              "status": "affected",
              "versionType": "git",
              "lessThan": "2e369ba9eb7b8a06e9cc35a3e7fe73e59272f8c2"
            },
            {
              "version": "01e8751b37a366b1ca561add0042f2ceb18c03bf",
              "status": "affected",
              "versionType": "git",
              "lessThan": "edf4c2aaee08e8fd503fbae705c801e92a0b55d7"
            },
            {
              "version": "b803811485ac0b2f774b6bf3abc8b999ba3b7033",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e0c470049344e9346fff79d7e2362212c216665e"
            },
            {
              "version": "29f60d3d06818d40118a30d663231f027ae87a05",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98473309a36acc271009b85e0bb53a4c0dddf5c2"
            },
            {
              "version": "0398b641be2b66c2fc7e0163c606ef19372e7ad5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8583f62259e1b315d5239371adfb36939cdab741"
            },
            {
              "version": "f132e089fe89cadc2098991f0a3cb05c3f824ac6",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf504b229cb8d534eccbaeaa23eba34c05131e25"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "5.15.202",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.15.203"
            },
            {
              "version": "6.1.165",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.1.167"
            },
            {
              "version": "6.6.128",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.6.130"
            },
            {
              "version": "6.12.75",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.78"
            },
            {
              "version": "6.18.16",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.18.20"
            },
            {
              "version": "6.19.6",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.19.10"
            }
          ]
        }
      ]
    }
  }
}