2017-01-26 16:59:00 2017-11-04 02:29:27

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

Vector

LOCAL

Complexity

LOW

Authentication

NONE

Confidentiality

PARTIAL

Integrity

NONE

Availability

NONE