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...

PT-2010-4422

Name of the Vulnerable Software and Affected Versions Linux kernel version 2.6.18 Description The issue allows local users to cause a denial of service, resulting in a host OS crash, by requesting a VMCS dump for a fully virtualized Xen guest on an Intel platform without Extended Page Tables EPT...