Is Oracle VM certified for Oracle E-Business Suite and Oracle Databases in a Production setup?
Yes use of Oracle VM is certified. In fact you can get both standard images a well as exalogic specific images for EBS in case you are using the special Exalogic versionof OVM that connects via infiniband.
Yes, as far as I know, Oracle VM templates are available for E-Business Suite Release 12.2.2. You can download those templates from Oracle website and they allow you to quickly build E-Business Suite 12.2.2 environments on Oracle Linux virtual machines for demonstration, development and production use. The templates deliver the full software stack, including the operating system, required technology components and Oracle E-Business Suite itself.
Here is another interesting link using E-Business Suite and VirtualBox.
Oracle offers several templates using VirtualBox as shown in the following URL.