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from the hackers-may-violate-your-ring dept.
Intel has backtracked on the license for its latest microcode update that mitigates security vulnerabilities in its processors – after the previous wording outlawed public benchmarking of the chips.
With the Linux 4.19 kernel that just kicked off development this month has been continued churn in the Spectre/Meltdown space, just not for x86_64 but also for POWER/s390/ARM where applicable. For getting an overall look at the performance impact of these mitigation techniques I tested three Intel Xeon systems and two AMD EPYC systems as well as a virtual machine on each side for seeing how the default Linux 4.19 kernel performance -- with relevant mitigations applied -- to that of an unmitigated kernel.
At the BlackHat conference last month, Christopher Domas demonstrated an attack against an x86 CPU using MSR's and an embedded RISC core to bypass ring protections. The full presentation "GOD MODE UNLOCKED - Hardware Backdoors in x86 CPUs" is viewable on YouTube. Is it time for CPU vendors to rethink security?
(Score: -1, Troll) by Anonymous Coward on Monday September 03 2018, @04:02AM
With jewish-owned Intel, who is surprised that it contains hardware backdoors, a (demon)god-mode to harm us?
Tell me the designers of the enhancements in Intel processors did not know they could be misused. In fact, they designed them for that precise purpose while adding a performance gain that they pretend is better than without the compromising architecture.
And by designing the compromising architecture, other manufacturers had to do the same just to compete with the unfair practice.
Reminds me of the diesel-emissions "scandal" some months ago where the regulators who made the regulations knew the output could not be achieved through honest means and they will get to eventually ban and financially harm everyone who did not pass the impossible tests.
It is a characteristic of the jews. They invite themselves to become the leaders through improper means and then control where things head. It is time we said no to the (khazar) jew and everything that race stands for.