{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2016-3158",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The xrstor function in arch/x86/xstate.c in Xen 4.x does not properly handle writes to the hardware FSW.ES bit when running on AMD64 processors, which allows local guest OS users to obtain sensitive register content information from another guest by leveraging pending exception and mask bits.  NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-2076."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"
            },
            {
                "name": "FEDORA-2016-5f196e4e4a",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181699.html"
            },
            {
                "name": "85714",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/85714"
            },
            {
                "name": "http://xenbits.xen.org/xsa/xsa172-4.3.patch",
                "refsource": "CONFIRM",
                "url": "http://xenbits.xen.org/xsa/xsa172-4.3.patch"
            },
            {
                "name": "http://xenbits.xen.org/xsa/advisory-172.html",
                "refsource": "CONFIRM",
                "url": "http://xenbits.xen.org/xsa/advisory-172.html"
            },
            {
                "name": "FEDORA-2016-e5432ca977",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181729.html"
            },
            {
                "name": "http://xenbits.xen.org/xsa/xsa172.patch",
                "refsource": "CONFIRM",
                "url": "http://xenbits.xen.org/xsa/xsa172.patch"
            },
            {
                "name": "1035435",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1035435"
            },
            {
                "name": "http://support.citrix.com/article/CTX209443",
                "refsource": "CONFIRM",
                "url": "http://support.citrix.com/article/CTX209443"
            },
            {
                "name": "DSA-3554",
                "refsource": "DEBIAN",
                "url": "http://www.debian.org/security/2016/dsa-3554"
            }
        ]
    }
}