nvd-json-data-feeds/CVE-2016/CVE-2016-31xx/CVE-2016-3157.json

{
  "id": "CVE-2016-3157",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2016-04-12T16:59:02.423",
  "lastModified": "2016-12-03T03:26:39.553",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to gain privileges, cause a denial of service (guest OS crash), or obtain sensitive information by leveraging I/O port access."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n __switch_to en arch/x86/kernel/process_64.c en el kernel de Linux no sustituye correctamente el conmutador de contexto IOPL en invitados 64-bit PV Xen, lo que permite a usuarios locales del SO invitado obtener privilegios, provocar una denegaci\u00f3n de servicio (ca\u00edda del SO invitado), u obtener informaci\u00f3n sensible aprovechando el puerto de acceso I/O."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "550223A9-B9F1-440A-8C25-9F0F76AF7301"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.debian.org/security/2016/dsa-3607",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/84594",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1035308",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2968-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2968-2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2969-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2970-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2971-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2971-2",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2971-3",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2996-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2997-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://xenbits.xen.org/xsa/advisory-171.html",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    }
  ]
}