{
  "id": "CVE-2021-3409",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2021-03-23T21:15:14.697",
  "lastModified": "2022-09-30T13:29:07.400",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 que el parche para CVE-2020-17380/CVE-2020-25085 era ineficaz, por lo que QEMU era vulnerable a problemas de acceso de lectura y escritura fuera de l\u00edmites que se encontraban anteriormente en el c\u00f3digo de emulaci\u00f3n del controlador SDHCI. Este fallo permite a un invitado privilegiado malicioso bloquear el proceso QEMU en el host, resultando en una denegaci\u00f3n de servicio o una posible ejecuci\u00f3n de c\u00f3digo. QEMU versiones hasta (incluyendo) 5.2.0 est\u00e1 afectado por esto"
    }
  ],
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW",
          "baseScore": 5.7,
          "baseSeverity": "MEDIUM"
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        "exploitabilityScore": 1.5,
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          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1928146",
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