Denial of Service Vulnerability in Xen Hypervisor via INVVPID Instruction

CVE-2016-1571 · MEDIUM Severity

AV:L/AC:M/AU:N/C:N/I:N/A:C

The paging_invlpg function in include/asm-x86/paging.h in Xen 3.3.x through 4.6.x, when using shadow mode paging or nested virtualization is enabled, allows local HVM guest users to cause a denial of service (host crash) via a non-canonical guest address in an INVVPID instruction, which triggers a hypervisor bug check.

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