{ "schema_version": "1.4.0", "id": "GHSA-gf86-2wqg-v74w", "modified": "2022-05-13T01:42:01Z", "published": "2022-05-13T01:42:01Z", "aliases": [ "CVE-2017-10921" ], "details": "The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-10921" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/201708-03" }, { "type": "WEB", "url": "https://security.gentoo.org/glsa/201710-17" }, { "type": "WEB", "url": "https://xenbits.xen.org/xsa/advisory-224.html" }, { "type": "WEB", "url": "http://www.debian.org/security/2017/dsa-3969" }, { "type": "WEB", "url": "http://www.securitytracker.com/id/1038734" } ], "database_specific": { "cwe_ids": [ "CWE-119" ], "severity": "CRITICAL", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2017-07-05T01:29:00Z" } }