SUSE CVE-2017-15588

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry...

SUSE CVE-2018-18883

An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service NULL pointer dereference or possibly have unspecified other impact because nested VT-x is not properly restricted...