A new side-channel vulnerability has been discovered called PortSmash that uses a timing attack that to steal information from other processes running in the same CPU core with SMT/hyper-threading ...

I've been getting a fair number of questions about multi-threading the past couple of weeks. The reason is that Intel has been previewing its "Nehalem EX" Xeon processor in advance of Advanced Micro ...

Modern CPUs use many advanced technologies to improve performance, such as ' speculative execution ' technology that performs logical pre-processing based on input by increasing clock frequency. One ...

LAST FEBRUARY, when Intel was still basking in the glow of its new Hyper-Threading Xeon DP CPU, the company suggested that it would be at least the second quarter of 2002 before we’d see ...

Has Intel's Hyper-Threading support become a fundamental security problem? Theo de Raadt, founder of OpenBSD, argues that it has. Share on Facebook (opens in a new window) Share on X (opens in a new ...

Haven't really put much thought into CPUs lately, but had this come up and I'm disappointed my Google-fu did not find a good answer I remember hyper-threading, where a core was 'pseudo-divided' into ...

As we've come to learn recently, there are four new hardware vulnerabilities that affect Intel processors. These new flaws allow attackers to leak confidential data by exploiting microarchitectural ...