The get_page_type function in xen/arch/x86/mm.c in Xen 4.2, when debugging is enabled, allows local PV or HVM guest administrators to cause a denial of service (assertion failure and hypervisor crash) via unspecified vectors related to a hypercall.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.0%