An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain…
mitre·CWE-436·Published 2018-12-08
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because of an interpretation conflict for a union data structure associated with shadow paging. NOTE: this issue exists because of an incorrect fix for CVE-2017-15595.
Se ha descubierto un problema en Xen hasta las versiones 4.11.x que permite que usuarios invitados x86 del sistema operativo provoquen una denegación de servicio (cierre inesperado del host del sistema operativo) u obtengan privilegios del host del sistema operativo debido a un conflicto de interpretación para una estructura de datos de unión asociados con páginas shadow. NOTA: este problema existe debido a una solución incorrecta para CVE-2017-15595.
| Version | Type | Source | Base | Exp | Impact | Vector |
|---|---|---|---|---|---|---|
| 2.0 | Primary | NVD | 7.2 | 3.9 | 10.0 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| 3.0 | Primary | NVD | 8.8 | 2.0 | 6.0 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |