Public/Get-VMSpeculativeExecution.ps1
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function Get-VMSpeculativeExecution { <# .SYNOPSIS Get VM compliance on VMSA-2018-0004 Security Advisory .DESCRIPTION Will validate VM for VMware Security Advisory VMSA-2018-0004 Compliance (https://www.vmware.com/us/security/advisories/VMSA-2018-0004.html) .NOTES Author : Edgar Sanchez - @edmsanchez13 Contributor: Ariel Sanchez - @arielsanchezmor .Link https://github.com/arielsanchezmora/vDocumentation .PARAMETER VM Specifies the virtual machine(s) which you want to validate compliance on. .EXAMPLE C:\PS> Get-VM -Server $VCServer | Get-VMSpeculativeExecution Retrieves the compliance status on Spectre of all virtual machines which run in the $VCServer vCenter Server. .EXAMPLE C:\PS> Get-VM -Name "labvm001" | Get-VMSpeculativeExecution Name : labvm001 Power State : PoweredOn Hardware Version : v10 ESXi Host : labhost010 ESXi CPUID Features : cpuid.IBPB,cpuid.IBRS,cpuid.STIBP VM CPUID Features : cpuid.STIBP,cpuid.IBRS,cpuid.IBPB SafeFromSpectre : True .EXAMPLE C:\PS> Get-VM -Location "MyClusterName" | Get-VMSpeculativeExecution Retrieves the compliance status on Spectre of all virtual machines which run in the "MyClusterName" cluster. .EXAMPLE C:\PS> Get-VMHost "MyESXiHostName" | Get-VM | Get-VMSpeculativeExecution Retrieves the compliance status on Spectre of all virtual machines which run on the "MyESXiHostName" ESXi host. .EXAMPLE C:\PS> Get-VMHost "MyESXiHostName" | Get-VM | Get-VMSpeculativeExecution | Export-Excel "VMValidation.xlsx" -WorkSheetname "VMresults" Retrieves the compliance status on Spectre of all virtual machines which run on the "MyESXiHostName" ESXi host and exports to Excel .NOTES This advanced function assumes that you are connected to at least one vCenter Server system. #> <# ----------------------------------------------------------[Declarations]---------------------------------------------------------- #> [CmdletBinding()] Param ( [Parameter(Mandatory = $true, ValueFromPipeLine = $true, ValueFromPipelinebyPropertyName = $True, Position = 0)] [ValidateNotNullOrEmpty()] [VMware.VimAutomation.ViCore.Types.V1.Inventory.VirtualMachine[]] $VM ) <# Main code execution #> Process { $VMCollection = @() foreach ($oneVM in $VM) { $vmhost = Get-VMHost -Name $oneVM.VMHost $hardwareVersion = ($oneVM.Version.ToString()).Split('v')[1] $hostCPUID = $vmhost.ExtensionData.Config.FeatureCapability | Where-Object {$_.FeatureName -eq "cpuid.IBRS" -or $_.Featurename -eq "cpuid.IBPB" -or $_.Featurename -eq "cpuid.STIBP"} | Select-Object -ExpandProperty FeatureName $vmCPUID = $oneVM.ExtensionData.Runtime.FeatureRequirement | Where-Object {$_.FeatureName -eq "cpuid.IBRS" -or $_.Featurename -eq "cpuid.IBPB" -or $_.Featurename -eq "cpuid.STIBP"} | Select-Object -ExpandProperty FeatureName <# Validate VM Hardware #> if ([int]$hardwareVersion -ge "9" -and $oneVM.PowerState -eq "PoweredOn") { if ($hostCPUID -and $vmCPUID) { $spectreStatus = $true } elseif ($hostCPUID -and !$vmCPUID) { $spectreStatus = "False, You need to powercycle your VM" } #END if/else } else { if ([int]$hardwareVersion -ge "9" -and $oneVM.PowerState -eq "PoweredOff") { $spectreStatus = "UnknownSinceOff" } else { $spectreStatus = "Need to upgrade VM Hardware. See KB52085" } } #END if $info = New-Object PSObject $info | Add-Member -type NoteProperty -Name 'Name' -Value $oneVM.Name $info | Add-Member -type NoteProperty -Name 'Power State' -Value $oneVM.PowerState $info | Add-Member -type NoteProperty -Name 'Hardware Version' -Value $oneVM.Version $info | Add-Member -type NoteProperty -Name 'ESXi Host' -Value $oneVM.VMHost $info | Add-Member -type NoteProperty -Name 'ESXi CPUID Features' -Value (@($hostCPUID) -join ',') $info | Add-Member -type NoteProperty -Name 'VM CPUID Features' -Value (@($vmCPUID) -join ',') $info | Add-Member -type NoteProperty -Name 'SafeFromSpectre' -Value $spectreStatus $VMCollection += $info } #END foreach $VMCollection } #END process } #END function |