The following Ivanti blog post provides an overview of everything you need to know regarding the recent Meltdown and Spectre vulnerabilities:
In terms of how this impacts our customers that use the User Workspace Manager products:
The Microsoft patches for Meltdown & Spectre vulnerabilities are not expected to cause issues with Ivanti UWM (AppSense & RES Workspace) products. Windows 7, 8 and 10 with the latest Microsoft patches are maintained platforms. Customers with issues should contact Support as usual.
Ivanti (AppSense) File Director and Insight run on a hardened appliance. There is no way to introduce a malicious executable onto the appliance and exploit vulnerabilities like Meltdown or Spectre. However, we will include any OS patches in an appliance service update when available.