Virtuozzo Linux Errata and Bugfix Advisory 2017:0921 

Upstream details at : https://rhn.redhat.com/errata/RHBA-2017-0921.html

The following updated files have been uploaded and are currently 
syncing to the mirrors:  

x86_64:
grubby-8.28-21.vl7.x86_64.rpm

Source:
grubby-8.28-21.vl7.src.rpm