An issue was discovered in Xen through 4.11.x allowing x86 guest OS users to cause a denial of service or gain privileges because grant-table transfer requests are mishandled.
Exploitability
AV:LAC:LPR:LUI:NScope
S:CImpact
C:HI:HA:H8.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H