Apple Silicon: there is a flaw but do not worry!

Apple Silicon: there is a flaw but do not worry!

Un microarchitecture flaw would have been detected by Illinois researchers at Urbana Champaign and Washington on Apple Silicon
Apple Silicon would be at the center of a media “leak” . To find out the researchers of the University of Illinois at Urbana Champaign and the University of Washington , the chips of the manufacturer of the bitten apple would be studying an architectural flaw in the processors produced by ARM .

The culprit would be the use by these architecture to exploit a particular prefetcher system , which we remember to be the system for optimizing the startup and loading time of programs, this system would lead to data leaks in the system. Here are the details.

Apple Silicon: there is a flaw but do not worry!

Researchers at the University of Illinois at Urbana Champaign and the University of Washington warn, however, that the possibility of it being exploited by direct attacks is far from now.

The flaw was baptized with the name Augury and as anticipated it would be present at the level of the Data-Memory Dependent Prefetcher (DMP) department. Structural area that deals with implementing the act of prefetching and optimizing performance, that is the ability to retrieve instructions (or specific data) in advance (a bit like it happens with the latest versions of operating systems in recent years, even Android) , in order to improve performance. The process could expose some data too much, however, the DMP process could read and transmit some memory values ​​outside the sandboxes, therefore outside a secure area with a watertight compartment.

According to the researchers, however, the DMP would only release certain types of values, which would be a very long and winding road to be exploited, but not impossible. “ Prefetchers only look at the stream of previous addresses accessed . DMPs also consider the content of previously loaded memory differently. Intrinsically, the choice of the DMP therefore reveals something about the content of the memory ”, thus some researchers of the Team explained the complex situation.

Apple at the moment has not expressed itself officially , but the idea suggested by the developers is not to let your guard down, and try to stem the problem via software. If you want to continue to know the latest news from the software world, keep following us. Greetings from tuttoteK.

Rachel Maga
Rachel Maga is a technology journalist currently working at Globe Live Media agency. She has been in the Technology Journalism field for over 5 years now. Her life's biggest milestone is the inside tour of Tesla Industries, which was gifted to her by the legend Elon Musk himself.