Details
http://pubs.vmware.com/vsphere-51/topic/com.vmware.ICbase/PDF/ws8x_esx51_vmci_sockets.pdf
Solution
To implement the recommended configuration state, run the following PowerCLI
command-
# Add the setting to all VMs
Get-VM | New-AdvancedSetting -Name ‘vmci0.unrestricted’ -value $false
Impact-Virtual machines will be unable to communicate using VMCI technology.
Default Value-The prescribed state is the default state.
Supportive Information
The following resource is also helpful.
This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system VMware.