FKIE_CVE-2012-3432

Vulnerability from fkie_nvd - Published: 2012-12-03 21:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
References
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
secalert@redhat.comhttp://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.htmlExploit, Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/55082
secalert@redhat.comhttp://security.gentoo.org/glsa/glsa-201309-24.xml
secalert@redhat.comhttp://www.debian.org/security/2012/dsa-2531
secalert@redhat.comhttp://www.securityfocus.com/bid/54691
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
af854a3a-2127-422b-91ae-364da2661108http://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.htmlExploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/55082
af854a3a-2127-422b-91ae-364da2661108http://security.gentoo.org/glsa/glsa-201309-24.xml
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2012/dsa-2531
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/54691
Impacted products
Vendor Product Version
xen xen 3.3.0
xen xen 4.0.0
xen xen 4.0.1
xen xen 4.0.2
xen xen 4.0.3
xen xen 4.0.4
xen xen 4.1.0
xen xen 4.1.1
xen xen 4.1.2
xen xen 4.1.3
xen xen 4.2.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n handle_mmio en arch/x86/hvm/io.c en el emulador de operaciones MMIO para Xen v3.3 y v4.x, cuando se ejecuta un HVM huesped, no reinicia correctamente la informaci\u00f3n de estado entre determinados ciclos de emulaci\u00f3n, lo que permite a los usuarios del sistema operativo hu\u00e9sped provocar una denegaci\u00f3n de servicio (ca\u00edda de OS huesped) a trav\u00e9s de operaciones no especificadas en las regiones MMIO."
    }
  ],
  "id": "CVE-2012-3432",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 1.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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  },
  "published": "2012-12-03T21:55:01.657",
  "references": [
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      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html"
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    },
    {
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      "url": "http://secunia.com/advisories/55082"
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      "source": "secalert@redhat.com",
      "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
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      "source": "secalert@redhat.com",
      "url": "http://www.debian.org/security/2012/dsa-2531"
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      "url": "http://www.securityfocus.com/bid/54691"
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  "vulnStatus": "Deferred",
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          "value": "CWE-264"
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      "source": "nvd@nist.gov",
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}


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  • 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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