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.

Date published : 2018-10-31

http://www.securityfocus.com/bid/105817

https://xenbits.xen.org/xsa/advisory-278.html