CVE-2017-8905

Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.

Date published : 2017-05-11

http://www.securityfocus.com/bid/98436

https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/