{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2016-4020",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR)."
            }
        ]
    },
    "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://www.ubuntu.com/usn/USN-2974-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/USN-2974-1"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html"
            },
            {
                "url": "https://security.gentoo.org/glsa/201609-01",
                "refsource": "MISC",
                "name": "https://security.gentoo.org/glsa/201609-01"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2017:2392",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2017:2392"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2017:2408",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2017:2408"
            },
            {
                "url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=691a02e2ce0c413236a78dee6f2651c937b09fb0",
                "refsource": "MISC",
                "name": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=691a02e2ce0c413236a78dee6f2651c937b09fb0"
            },
            {
                "url": "http://www.securityfocus.com/bid/86067",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/86067"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2017:1856",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2017:1856"
            },
            {
                "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01106.html",
                "refsource": "MISC",
                "name": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01106.html"
            },
            {
                "url": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01118.html",
                "refsource": "MISC",
                "name": "https://lists.gnu.org/archive/html/qemu-devel/2016-04/msg01118.html"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1313686",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1313686"
            }
        ]
    }
}