Signed Kernel Modules Support For Linux 3.7
Phoronix: Signed Kernel Modules Support For Linux 3.7
One of the last merge requests that Linus Torvalds honored this past weekend prior to releasing Linux 3.7-rc1 as the modules pull, which added in module signing support for the Linux kernel...
Secure boot or Restricted boot?
Anyway, this support in the kernel is just another feature. Just like other security features, they can be used to lock-down what users can do. The real threat to this comes from the Motherboard/BIOS, if we can't load our own keys into it. If we can do that, they we can always just recompile the Linux Kernel.