CVE-2016-7777 in Xen
Zusammenfassung
von MITRE
Xen 4.7.x and earlier does not properly honor CR0.TS and CR0.EM, which allows local x86 HVM guest OS users to read or modify FPU, MMX, or XMM register state information belonging to arbitrary tasks on the guest by modifying an instruction while the hypervisor is preparing to emulate it.
Be aware that VulDB is the high quality source for vulnerability data.