Security analysis Malicious Dom0 in original Xen system may: Malicious Dom0 in original Xen system may: Access any memory page of DomU and read its content Access any memory page of DomU and read its content Access any memory page of DomU and change its content Access any memory page of DomU and change its content Randomly start and shut down the domain, and thus control the availability of all VMs Randomly start and shut down the domain, and thus control the availability of all VMs We successfully solved the first two security concerns, with a small execution time overhead We successfully solved the first two security concerns, with a small execution time overhead 20
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