{
  "id": "CVE-2014-7156",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2014-10-02T14:55:05.167",
  "lastModified": "2018-10-30T16:26:53.700",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n x86_emulate en arch/x86/x86_emulate/x86_emulate.c en Xen 3.3.x hasta 4.4.x no comprueba los permisos del modo de supervisi\u00f3n para las instrucciones que generan interrupciones de software, lo que permite a usuarios locales hu\u00e9spedes de HVM causar una denegaci\u00f3n de servicio (ca\u00edda del hu\u00e9sped) a trav\u00e9s de vectores no especificados."
    }
  ],
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        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "ADJACENT_NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 6.5,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "lang": "en",
          "value": "CWE-264"
        }
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  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/61890",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://security.gentoo.org/glsa/glsa-201412-42.xml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.citrix.com/article/CTX200218",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2014/dsa-3041",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/70062",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1030889",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-106.html",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}