STIGQter: STIG Summary: VMware vSphere 7.0 ESXi Security Technical Implementation Guide Version: 1 Release: 4 Benchmark Date: 02 Apr 2025:

The ESXi host must disable Inter-Virtual Machine (VM) Transparent Page Sharing.

DISA Rule

SV-256416r959010_rule

Vulnerability Number

V-256416

Group Title

SRG-OS-000480-VMM-002000

Rule Version

ESXI-70-000055

Severity

CAT III

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

From the vSphere Client, go to Hosts and Clusters.

Select the ESXi Host >> Configure >> System >> Advanced System Settings.

Click "Edit". Select the "Mem.ShareForceSalting" value and set it to "2".

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name Mem.ShareForceSalting | Set-AdvancedSetting -Value 2

Check Contents

From the vSphere Client, go to Hosts and Clusters.

Select the ESXi Host >> Configure >> System >> Advanced System Settings.

Select the "Mem.ShareForceSalting" value and verify it is set to "2".

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name Mem.ShareForceSalting

If the "Mem.ShareForceSalting" setting is not set to "2", this is a finding.

Vulnerability Number

V-256416

Documentable

False

Rule Version

ESXI-70-000055

Severity Override Guidance

From the vSphere Client, go to Hosts and Clusters.

Select the ESXi Host >> Configure >> System >> Advanced System Settings.

Select the "Mem.ShareForceSalting" value and verify it is set to "2".

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name Mem.ShareForceSalting

If the "Mem.ShareForceSalting" setting is not set to "2", this is a finding.

Check Content Reference

M

Target Key

5518