The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.
AV:L/AC:L/Au:N/C:N/I:N/A:C
24/11/2012
by XEN
4 months ago