https://www.theregister.co.uk/2018/02/09/vmware_temp_fixes_for_meltdown_spectre_for_virtual_appliances/

VMware's advised on how to mitigate the Meltdown and Spectre chip design flaws in several of its products.

The workarounds cover vCloud Usage Meter, Identity Manager (vIDM), vCenter Server, vSphere Data Protection, vSphere Integrated Containers and vRealize Automation (vRA).