{
  "id": "CVE-2022-32475",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-02-15T14:15:11.950",
  "lastModified": "2023-02-25T03:26:56.787",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. DMA attacks on the VariableRuntimeDxe shared buffer used by SMM and non-SMM code could cause TOCTOU race-condition issues that could lead to corruption of SMRAM and escalation of privileges. This issue was fixed in the kernel, which also protected chipset and OEM chipset code."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Insyde InsydeH2O con los kernels 5.0 a 5.5. Los ataques DMA al b\u00fafer compartido VariableRuntimeDxe utilizado por el c\u00f3digo SMM y no SMM podr\u00edan causar problemas de condiciones de ejecuci\u00f3n de TOCTOU que podr\u00edan conducir a la corrupci\u00f3n de SMRAM y a la escalada de privilegios. Este problema se solucion\u00f3 en el kernel, que tambi\u00e9n proteg\u00eda el chipset y el c\u00f3digo del chipset OEM."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.0,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 5.9
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.0",
              "versionEndExcluding": "5.2.05.27.27",
              "matchCriteriaId": "D6C3C426-2AC3-4262-8D21-DCB1E917982A"
            },
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              "criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "BDA39709-236A-4508-BCD7-5A73BC9C4755"
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            },
            {
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              "criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.5",
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  ],
  "references": [
    {
      "url": "https://www.insyde.com/security-pledge",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.insyde.com/security-pledge/SA-2023007",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}