Intel has released a small code update that includes fixes for the critical Downfall vulnerability, and motherboard manufacturers are now rolling it out in BIOS updates. The fixes are very important for those who operate servers and other shared computers, but not as important for home users. Since the procedures reduce processor performance, some may prefer to take the risk.
Microsoft now has it Instructions issued Learn how those who prefer maximum performance with less safety turn off drop routines. The Windows 10 and August 11 updates include a new key in the Windows registry that can be modified to allow the system to bypass fixes on devices that have the new Intel microcode (IPU v23.3) installed.
An important detail for those who want to turn off actions is that they do not work if Windows is running with Hyper-V virtualization enabled, which is not the case for many home users.
The registry key to change is called FeaturesSettingsOverride and is located in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management. The value type is REG_DWORD and the value to disable is 0x2000000 hexadecimal. If the key is not present, you can add it and set it using the following command, which must be run in Command Prompt as administrator:
reg add “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management” /v FeaturesSettingsOverride /t REG_DWORD /d 33554432 /f
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