Xen denial of service vulnerability

Summary

Xen is an open source virtual machine monitor developed by Cambridge university. This product enables different and incompatible operating systems to run on the same machine and supports migration at run time, ensuring normal operation and avoiding downtime.

Xen has a denial of service vulnerability. An attacker can exploit this vulnerability to break the hypervisor, resulting in a denial-of-service situation.



Solution

At present, the vendor has released the patches to repair loopholes, patch for a link: https://xenbits.xen.org/xsa/advisory-243.html