Xen Security Update XSA-254 XPTI Stage 1

  • This update addresses the Meltdown vulnerability for CentOS 6/7 Xen static compute resources. For more information, refer to Meltdown and Spectre CPU Issues.
  • Make sure you are running Virtuozzo OnApp 5.5 - 5.7 with Xen 4.6.6.

To install the update:

  1. Run the following command:

    1
    
    # yum update xen xen-hypervisor
    
  2. Reboot the compute resource for the new Xen version to take effect.