2017-01-23 22:59:02 2017-07-01 03:30:12

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.

Vector

LOCAL

Complexity

LOW

Authentication

NONE

Confidentiality

PARTIAL

Integrity

PARTIAL

Availability

PARTIAL