Store Forwarding News Today : Breaking News, Live Updates & Top Stories | Vimarsana

This week there has been talk about a revision of the AMD Ryzen 5000 desktop processors (Vermeer) on the way to deliver faster turbo clocks. It wasn't very clear, but some expected a B2 revision, spotted in the wild, to refine AMD's current offerings in some way or be instrumental in adding faster 'XT' variants to the lineup. Perhaps to stop the gossip getting out of hand, an AMD official provided a statement to Polish tech news site Benchmark.pl, and to Tom's Hardware, hopefully stamping out any misunderstanding about the B2 revision. Current Ryzen 5000 chips are on the B0 revision, but hard...

This week there has been talk about a revision of the AMD Ryzen 5000 desktop processors (Vermeer) on the way to deliver faster turbo clocks. It wasn't very clear, but some expected a B2 revision, spotted in the wild, to refine AMD's current offerings in some way or be instrumental in adding faster 'XT' variants to the lineup. Perhaps to stop the gossip getting out of hand, an AMD official provided a statement to Polish tech news site Benchmark.pl, and to Tom's Hardware, hopefully stamping out any misunderstanding about the B2 revision. Current Ryzen 5000 chips are on the B0 revision, but hard...

Publishes New Side-Channel Vulnerability in Zen 3 Processors by Jim Turley It’s not a bug, it’s a feature, if you publish it in the manual, right? AMD has taken a “white hat” approach to a possible security risk in its newest Zen 3 processors by publishing a white paper that describes the problem. Although there’s no known exploit in the field, AMD appears to be heading off any problems by detailing how, when, and where the problem might occur, and what you can do about it. Kudos to the company for transparency.  The problem lies in a hidden feature called predi...

Again? on April 4, 2021, 10:58 28 comments In brief: AMD has confirmed that a microarchitecture optimization inside Zen 3 CPUs can be exploited in a similar fashion to the Spectre vulnerabilities that plagued Intel CPUs a few generations ago. Disabling the optimization is possible, but will carry a performance penalty that AMD doesn’t believe is worth it for all but the most critical deployments of the processors. In a recently published whitepaper, titled "Security Analysis of AMD Predictive Store Forwarding," AMD describes the nature of the vulnerabili...