3 ms·
> I welcome this move. PaX/grsec had an option to block MSR accesses for years. On recent kernels, MSRs writes are disabled by default even by the upstream ker
by lima 6y ago
> I welcome this move. PaX/grsec had an option to block MSR accesses for years.
On recent kernels, MSRs writes are disabled by default even by the upstream kernel when the kernel is in lockdown mode (like when using Secure Boot).
- kinghajj 6y agoYup, I just wrote a blog post about recompiling the msr module and signing it with a MOK, as a way to keep undervolting functional while using SecureBoot. https://kinghajj.github.io/blog/undervolting-with-secureboot-in-linux/ https://kinghajj.github.io/blog/undervolting-with-secureboot...
- pwdisswordfish2 6y agoThat is a well-written blog post. Thanks for sharing. Wondering if I can do this with a BSD kernel.