Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Xen | Xen | - (including) | - (including) |
Xen-3.3 | Ubuntu | maverick | * |
Xen-3.3 | Ubuntu | natty | * |
Red Hat Enterprise Linux 5 | RedHat | kernel-0:2.6.18-238.19.1.el5 | * |