{
    "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2012-3494",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                            }
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                    "vendor_name": "n/a"
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    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register."
            }
        ]
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    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "name": "55082",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/55082"
            },
            {
                "name": "50530",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/50530"
            },
            {
                "name": "51413",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/51413"
            },
            {
                "name": "GLSA-201309-24",
                "refsource": "GENTOO",
                "url": "http://security.gentoo.org/glsa/glsa-201309-24.xml"
            },
            {
                "name": "SUSE-SU-2012:1135",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00005.html"
            },
            {
                "name": "http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability",
                "refsource": "MISC",
                "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-12_hypercall_set_debugreg_vulnerability"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=851139",
                "refsource": "MISC",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=851139"
            },
            {
                "name": "openSUSE-SU-2012:1572",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html"
            },
            {
                "name": "50472",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/50472"
            },
            {
                "name": "55400",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/55400"
            },
            {
                "name": "[oss-security] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2012/09/05/5"
            },
            {
                "name": "SUSE-SU-2012:1162",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html"
            },
            {
                "name": "openSUSE-SU-2012:1174",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html"
            },
            {
                "name": "GLSA-201604-03",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201604-03"
            },
            {
                "name": "xen-setdebugreg-dos(78265)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78265"
            },
            {
                "name": "SUSE-SU-2012:1132",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html"
            },
            {
                "name": "http://support.citrix.com/article/CTX134708",
                "refsource": "CONFIRM",
                "url": "http://support.citrix.com/article/CTX134708"
            },
            {
                "name": "[Xen-announce] 20120905 Xen Security Advisory 12 (CVE-2012-3494) - hypercall set_debugreg vulnerability",
                "refsource": "MLIST",
                "url": "http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html"
            },
            {
                "name": "SUSE-SU-2012:1129",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00001.html"
            },
            {
                "name": "SUSE-SU-2012:1133",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"
            },
            {
                "name": "85197",
                "refsource": "OSVDB",
                "url": "http://osvdb.org/85197"
            },
            {
                "name": "1027479",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id?1027479"
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            {
                "name": "openSUSE-SU-2012:1573",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html"
            },
            {
                "name": "openSUSE-SU-2012:1172",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html"
            },
            {
                "name": "DSA-2544",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2012/dsa-2544"
            }
        ]
    }
}