FKIE_CVE-2016-1570

Vulnerability from fkie_nvd - Published: 2016-01-22 15:59 - Updated: 2025-04-12 10:46
Severity ?
8.5 (High) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates.
References
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3519
cve@mitre.orghttp://www.securitytracker.com/id/1034744
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-167.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3519
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034744
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-167.htmlVendor Advisory
Impacted products
Vendor Product Version
xen xen 3.4.0
xen xen 3.4.1
xen xen 4.1.0
xen xen 4.1.1
xen xen 4.1.2
xen xen 4.1.3
xen xen 4.1.4
xen xen 4.1.5
xen xen 4.1.6
xen xen 4.1.6.1
xen xen 4.2.0
xen xen 4.2.1
xen xen 4.2.2
xen xen 4.2.3
xen xen 4.2.4
xen xen 4.2.5
xen xen 4.3.0
xen xen 4.3.1
xen xen 4.3.2
xen xen 4.3.3
xen xen 4.3.4
xen xen 4.4.0
xen xen 4.4.0
xen xen 4.4.1
xen xen 4.4.2
xen xen 4.4.3
xen xen 4.5.0
xen xen 4.5.1
xen xen 4.5.2
xen xen 4.6.0
To clipboard 

{
  "configurations": [
    {
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The PV superpage functionality in arch/x86/mm.c in Xen 3.4.0, 3.4.1, and 4.1.x through 4.6.x allows local PV guests to obtain sensitive information, cause a denial of service, gain privileges, or have unspecified other impact via a crafted page identifier (MFN) to the (1) MMUEXT_MARK_SUPER or (2) MMUEXT_UNMARK_SUPER sub-op in the HYPERVISOR_mmuext_op hypercall or (3) unknown vectors related to page table updates."
    },
    {
      "lang": "es",
      "value": "La funcionalidad superpage PV en arch/x86/mm.c en Xen 3.4.0, 3.4.1 y 4.1.x hasta la versi\u00f3n 4.6.x permite a invitados PV locales obtener informaci\u00f3n sensible, provocar una denegaci\u00f3n de servicio, obtener privilegios o tener otro impacto no especificado a trav\u00e9s de un identificador de p\u00e1gina manipulado (MFN) en el (1) MMUEXT_MARK_SUPER o (2) MMUEXT_UNMARK_SUPER sub-op en la hiperllamada HYPERVISOR_mmuext_op o (3) vectores desconocidos relacionados con actualizaciones de la tabla de p\u00e1gina."
    }
  ],
  "id": "CVE-2016-1570",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 6.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-22T15:59:05.913",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3519"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1034744"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-167.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3519"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1034744"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-167.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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