Windows 11 Kernel (Direct Memory Access) DMA Protection must be enabled.
An XCCDF Rule
Description
Kernel DMA Protection to protect PCs against drive-by Direct Memory Access (DMA) attacks using PCI hot plug devices connected to Thunderbolt 3 ports. Drive-by DMA attacks can lead to disclosure of sensitive information residing on a PC, or even injection of malware that allows attackers to bypass the lock screen or control PCs remotely.
- ID
- SV-253426r991580_rule
- Version
- WN11-EP-000310
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Configure the policy value for Computer Configuration >> Administrative Templates >> System >> Kernel DMA Protection >> "Enumeration policy for external devices incompatible with Kernel DMA Protection" to "Enabled" with "Enumeration Policy" set to "Block All".