Описание
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.
Ссылки
- PatchVendor Advisory
- PatchVendor Advisory
Уязвимые конфигурации
EPSS
10 Critical
CVSS3
10 Critical
CVSS2
Дефекты
Связанные уязвимости
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.
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.
The grant-table feature in Xen through 4.8.x does not ensure sufficien ...
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.
Уязвимость компонента grant-table гипервизора Xen, позволяющая нарушителю вызвать отказ в обслуживании или получить привилегированный доступ к хосту
EPSS
10 Critical
CVSS3
10 Critical
CVSS2