Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
Exploitability
AV:LAC:HPR:HUI:NScope
S:UImpact
C:NI:NA:H4.1/CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H