As predicted, more branch prediction processor attacks are discovered
New attack focuses on a different part of the branch prediction system. Continue reading As predicted, more branch prediction processor attacks are discovered
Category Archives: speculative execution
Speculative Execution Was A Troublemaker For Xbox 360
Part of why people can’t stop talking about Meltdown/Spectre is the fact that all the individual pieces have been sitting in plain sight for a long time. When everyone saw how it all came together last week, many people (and not even necessarily security focused people) smacked themselves on the forehead: “Why didn’t I see that earlier?” Speculative execution has caused headaches going way back. [Bruce Dawson] tells one such story he experienced back in 2005. (Warning: ads on page may autoplay video.)
It’s centered around Xbox 360’s custom PowerPC processor. Among the customization on this chip was the addition …read more
Continue reading Speculative Execution Was A Troublemaker For Xbox 360
Major CPU Flaws Meltdown, Spectre Put Most Computers at Risk
The new year started with an announcement that has shaken the entire computer industry: Many modern processors found in servers, laptops and mobile devices are vulnerable to a new class of attacks that could expose sensitive information. The vulnerabil… Continue reading Major CPU Flaws Meltdown, Spectre Put Most Computers at Risk