{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2012-3516",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The GNTTABOP_swap_grant_ref sub-operation in the grant table hypercall in Xen 4.2 and Citrix XenServer 6.0.2 allows local guest kernels or administrators to cause a denial of service (host crash) and possibly gain privileges via a crafted grant reference that triggers a write to an arbitrary hypervisor memory location."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html",
                "refsource": "MISC",
                "name": "http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html"
            },
            {
                "url": "http://secunia.com/advisories/50472",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/50472"
            },
            {
                "url": "http://secunia.com/advisories/50530",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/50530"
            },
            {
                "url": "http://support.citrix.com/article/CTX134708",
                "refsource": "MISC",
                "name": "http://support.citrix.com/article/CTX134708"
            },
            {
                "url": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking",
                "refsource": "MISC",
                "name": "http://wiki.xen.org/wiki/Security_Announcements#XSA-18_grant_table_entry_swaps_have_inadequate_bounds_checking"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2012/09/05/11",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2012/09/05/11"
            },
            {
                "url": "http://www.securityfocus.com/bid/55411",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/55411"
            }
        ]
    }
}