How do I disable Spectre mitigation in Visual Studio?

How do I disable Spectre mitigation in Visual Studio?

To disable it in the Visual Studio IDE, open Properties for your projects, and in the Configuration Properties > C/C++ > Code Generation property page, set the Spectre Mitigations property to Disabled.

How do I turn off AMD Meltdown protection?

Disable the Meltdown fix on AMD CPUs

  1. Open the Registry Editor app.
  2. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management.
  3. On the right, create a new 32-Bit DWORD value FeatureSettingsOverride.
  4. Now create a new 32-Bit DWORD value FeatureSettingsOverrideMask and set it to 3, too.

What are Spectre mitigations?

Website. spectreattack.com. Spectre is a vulnerability that affects modern microprocessors that perform branch prediction. On most processors, the speculative execution resulting from a branch misprediction may leave observable side effects that may reveal private data to attackers.

How do I disable side mitigation channels?

Go to Virtual Machine > Settings > Advanced. Check “Disable Side Channel Mitigations”

What is Spectre mitigation in Visual Studio?

The /Qspectre option causes the compiler to insert instructions to mitigate certain Spectre security vulnerabilities. These vulnerabilities are called speculative execution side-channel attacks. Starting in Visual Studio 2017 version 15.7, the /Qspectre option is supported at all optimization levels.

What is Retpoline?

“Retpoline” sequences are a software construct which allow indirect branches to be isolated from speculative execution. This may be applied to protect sensitive binaries (such as operating system or hypervisor implementations) from branch target injection attacks against their indirect branches.

Are Meltdown and Spectre fixed?

The patch process since January 2018 has been nothing short of boggling. Then at the end of January, Microsoft also announced that the Spectre and Meltdown patches for Windows 10 were compromising performance and causing random fatal errors, confirming that their security fixes were buggy.