{ "schema_version": "1.4.0", "id": "GHSA-7xx2-fw34-h693", "modified": "2022-05-14T01:39:15Z", "published": "2022-05-14T01:39:15Z", "aliases": [ "CVE-2018-18883" ], "details": "An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18883" }, { "type": "WEB", "url": "https://xenbits.xen.org/xsa/advisory-278.html" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/105817" }, { "type": "WEB", "url": "http://www.securitytracker.com/id/1042021" } ], "database_specific": { "cwe_ids": [ "CWE-476" ], "severity": "HIGH", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-11-01T00:29:00Z" } }