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  4. Ensure PCI and PCIe device passthrough is disabled

Ensure PCI and PCIe device passthrough is disabled

Details

Using the VMware DirectPath I/O feature to pass through a PCI or PCIe device to a virtual machine can result in a potential security vulnerability.

Rationale:

The vulnerability can be triggered by buggy or malicious code running in privileged mode in the guest OS, such as a device driver.

Solution

The following PowerCLI command can be used:

# Add the setting to all VMs
Get-VM | New-AdvancedSetting -Name ‘pciPassthru*.present’ -value ”

Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system VMware.

References

Source

Updated on July 16, 2022
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