On Tue, Mar 28, 2017 at 04:58:58PM +0200, Maxime Villard wrote: > Having read several papers on the exploitation of cache latency to defeat > aslr (kernel or not), it appears that disabling the rdtsc instruction is a > good mitigation on x86. However, some applications can legitimately use it, > so I would rather suggest restricting it to root instead.
This will break a ton of stuff. Code all over the place checks if it's on x86 and uses rdtsc when it wants a quick timestamp. Thor
