{
  "id": "CVE-2015-7813",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2015-10-30T15:59:00.107",
  "lastModified": "2018-10-30T16:26:53.700",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Xen 4.4.x, 4.5.x, and 4.6.x does not limit the number of printk console messages when reporting unimplemented hypercalls, which allows local guests to cause a denial of service via a sequence of (1) HYPERVISOR_physdev_op hypercalls, which are not properly handled in the do_physdev_op function in arch/arm/physdev.c, or (2) HYPERVISOR_hvm_op hypercalls, which are not properly handled in the do_hvm_op function in arch/arm/hvm.c."
    },
    {
      "lang": "es",
      "value": "Xen 4.4.x, 4.5.x y 4.6.x no limita el n\u00famero de mensajes de la consola printk cuando reporta hypercalls no implementadas, lo que permite a invitados locales provocar una denegaci\u00f3n de servicio a trav\u00e9s de una secuencia de (1) hypercalls HYPERVISOR_physdev_op, las cuales no son manejadas adecuadamente en la funci\u00f3n do_physdev_op en arch/arm/physdev.c o (2) hypercalls HYPERVISOR_hvm_op, las cuales no son manejadas adecuadamente en la funci\u00f3n do_hvm_op en arch/arm/hvm.c."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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              "matchCriteriaId": "1044792C-D544-457C-9391-4F3B5BAB978D"
            },
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              "matchCriteriaId": "CF23B21B-594A-42E2-AF90-D5C4246B39A4"
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              "matchCriteriaId": "A40F356B-4F5F-485D-A53A-8CE4629D6931"
            },
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            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "4B6F7CE9-C409-4D88-9A99-B21420633F45"
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      ]
    }
  ],
  "references": [
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171082.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171185.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171249.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3414",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1034029",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-146.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201604-03",
      "source": "cve@mitre.org"
    }
  ]
}