Isolating Commodity Hosted Hypervisors with HyperLock

Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
Hosted hypervisors (e.g., KVM) are being widely deployed. One key reason is that they can effectively take advantage of the mature features and broad user bases of commodity operating systems. However, they are not immune to exploitable software bugs. Particularly, due to the close integration with the host and the unique presence underneath guest virtual machines, a hosted hypervisor - if compromised - can also jeopardize the host system and completely take over all guests in the same physical machine. In this paper, the authors present HyperLock, a systematic approach to strictly isolate privileged, but potentially vulnerable, hosted hypervisors from compromising the host OSs.

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