FKIE_CVE-2016-1571

Vulnerability from fkie_nvd - Published: 2016-01-22 15:59 - Updated: 2025-04-12 10:46
Severity ?
6.3 (Medium) - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Summary
The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.
References
cve@mitre.orghttp://support.citrix.com/article/CTX205496Third Party Advisory
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3519
cve@mitre.orghttp://www.securitytracker.com/id/1034745Third Party Advisory
cve@mitre.orghttp://xenbits.xen.org/xsa/advisory-168.htmlVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.citrix.com/article/CTX205496Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3519
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1034745Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-168.htmlVendor Advisory
Impacted products
Vendor Product Version
citrix xenserver *
xen xen 3.3.0
xen xen 3.3.1
xen xen 3.3.2
xen xen 3.4.0
xen xen 3.4.1
xen xen 3.4.2
xen xen 3.4.3
xen xen 3.4.4
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 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n paging_invlpg en include/asm-x86/paging.h en Xen 3.3.x hasta la versi\u00f3n 4.6.x, cuando se utiliza paginaci\u00f3n en modo shadow o la virtualizaci\u00f3n anidada est\u00e1 habilitada, permite a usuarios HVM invitados locales provocar una denegaci\u00f3n de servicio (ca\u00edda de host) a trav\u00e9s de una direcci\u00f3n de invitado no can\u00f3nica en una instrucci\u00f3n INVVPID, lo que desencadena una comprobaci\u00f3n de errores de hipervisor."
    }
  ],
  "id": "CVE-2016-1571",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.7,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    "cvssMetricV30": [
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 4.0,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-01-22T15:59:06.867",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://support.citrix.com/article/CTX205496"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2016/dsa-3519"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitytracker.com/id/1034745"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-168.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://support.citrix.com/article/CTX205496"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2016/dsa-3519"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.securitytracker.com/id/1034745"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://xenbits.xen.org/xsa/advisory-168.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-17"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.



Detection rules are retrieved from Rulezet.