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CVE-2022-33908

Estado: ModificadaAlta (7)—

DMA transactions which are targeted at input buffers used for the SdHostDriver software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the SdHostDriver driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022050

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Insyde — Kernel

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-33908",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-33908",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-30T18:34:10.692241Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
        "exploitabilityScore": 1
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        "type": "Secondary",
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  "affected": [
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  "published": "2022-11-15T00:15:11.937",
  "references": [
    {
      "url": "https://www.insyde.com/security-pledge",
      "tags": [
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      "source": "cve@mitre.org"
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
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          "value": "CWE-367"
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    {
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "DMA transactions which are targeted at input buffers used for the SdHostDriver software SMI handler could cause SMRAM corruption through a TOCTOU attack. DMA transactions which are targeted at input buffers used for the software SMI handler used by the SdHostDriver driver could cause SMRAM corruption through a TOCTOU attack. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022050"
    },
    {
      "lang": "es",
      "value": "Las transacciones DMA que están dirigidas a los búferes de entrada utilizados para el controlador SMI del software SdHostDriver podrían causar corrupción de SMRAM a través de un ataque TOCTOU. Las transacciones DMA que están dirigidas a los búferes de entrada utilizados para el controlador SMI de software utilizado por el controlador SdHostDriver podrían causar corrupción de SMRAM a través de un ataque TOCTOU. Este problema fue descubierto por ingeniería de Insyde basándose en la descripción general proporcionada por el grupo iSTARE de Intel. Corregido en kernel 5.2: 05.27.25, kernel 5.3: 05.36.25, kernel 5.4: 05.44.25, kernel 5.5: 05.52.25 https://www.insyde.com/security-pledge/SA-2022050"
    }
  ],
  "lastModified": "2026-06-17T04:49:28.150",
  "configurations": [
    {
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          "negate": false,
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  "sourceIdentifier": "cve@mitre.org"
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