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CVE-2022-31243

Estado: ModificadaMedia (6.4)—

Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver 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 FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044

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)

Mostrar
{
  "id": "CVE-2022-31243",
  "cveTags": [],
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-31243",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-30T19:09:24.358038Z"
        }
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    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
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          "baseScore": 6.4,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.5
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        "type": "Secondary",
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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      "affectedData": [
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          "versions": [
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              "status": "affected",
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  "published": "2022-11-15T00:15:11.377",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-450613.pdf",
      "source": "cve@mitre.org"
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    {
      "url": "https://www.insyde.com/security-pledge",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.insyde.com/security-pledge/SA-2022044",
      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
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      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Update description and links DMA transactions which are targeted at input buffers used for the software SMI handler used by the FvbServicesRuntimeDxe driver 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 FvbServicesRuntimeDxe driver could cause SMRAM corruption. This issue was discovered by Insyde engineering based on the general description provided by Intel's iSTARE group. Fixed in Kernel 5.2: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044"
    },
    {
      "lang": "es",
      "value": "Actualizar descripción y enlaces Las transacciones DMA que están dirigidas a los búferes de entrada utilizados para el controlador SMI de software utilizado por el controlador FvbServicesRuntimeDxe 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 FvbServicesRuntimeDxe podría causar corrupción de SMRAM. 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: 05.27.21. Kernel 5.3: 05.36.21. Kernel 5.4: 05.44.21. Kernel 5.5: 05.52.21 https://www.insyde.com/security-pledge/SA-2022044"
    }
  ],
  "lastModified": "2026-06-17T04:45:12.057",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
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