{
  "id": "CVE-2015-7970",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2015-10-30T15:59:06.967",
  "lastModified": "2017-07-01T01:29:23.827",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a \"time-consuming linear scan,\" related to Populate-on-Demand."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n p2m_pod_emergency_sweep en arch/x86/mm/p2m-pod.c en Xen 3.4.x, 3.5,x y 3.6.x no es preferente, lo que permite a administradores invitados x86 HVM locales provocar una denegaci\u00f3n de servicio (consumo de CPU y posiblemente reinicio) a trav\u00e9s de contenidos de memoria manipulados que desencadena un 'time-consuming linear scan', relacionado con Populate-on-Demand."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "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": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "7F7D1B7E-C30F-430F-832D-2A405DA1F2D9"
            },
            {
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              "matchCriteriaId": "B7C1D0AD-B804-474C-96A3-988BADA0DAD2"
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            },
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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://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.citrix.com/article/CTX202404",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3414",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/77362",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1034034",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-150.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201604-03",
      "source": "cve@mitre.org"
    }
  ]
}