{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2020-27674",
        "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": "An issue was discovered in Xen through 4.14.x allowing x86 PV guest OS users to gain guest OS privileges by modifying kernel memory contents, because invalidation of TLB entries is mishandled during use of an INVLPG-like attack technique."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://xenbits.xen.org/xsa/advisory-286.html",
                "refsource": "MISC",
                "name": "https://xenbits.xen.org/xsa/advisory-286.html"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202011-06",
                "url": "https://security.gentoo.org/glsa/202011-06"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-5398bfb466",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3U4LNKKXU4UP4Z5XP6TMIWSML3QODPE/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-ec84c1565b",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PZAM3LYJ5TZLSSNL3KXFILM46QKVTOUA/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2020-6dd36a716c",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XIK57QJOVOPWH6RFRNMGOBCROBCKMDG2/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4804",
                "url": "https://www.debian.org/security/2020/dsa-4804"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20210119 Xen Security Advisory 286 v6 (CVE-2020-27674) - x86 PV guest INVLPG-like flushes may leave stale TLB entries",
                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/5"
            }
        ]
    }
}