FreeBSD -- bhyve privilege escalation via VMCS access

Problem Description: AMD and Intel CPUs support hardware virtualization using specialized data structures that control various aspects of guest operation. These are the Virtual Machine Control Structure VMCS on Intel CPUs, and the Virtual Machine Control Block VMCB on AMD CPUs. Insufficient acces...

CVE-2010-2938

arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure VMCS implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux RHEL 5, when an Intel platform without Extended Page Tables EPT functionality is used, accesses VMCS fields without verifying hardware support for these...

kernel: guest crashes on non-EPT machines may crash the host as well

arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure VMCS implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux RHEL 5, when an Intel platform without Extended Page Tables EPT functionality is used, accesses VMCS fields without verifying hardware support for these...