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It is described as being “architecturally agnostic” attacking Samsung, AMD, and even Apple’s new silicon, says The 8-Bit blog.
In fact, Apple’s M1 chipset may even be more vulnerable to this attack.
“Ironically, we show that our attacks are sometimes more effective on these novel CPUs by Apple and Samsung compared to their well-explored Intel counterparts, presumably due to their simpler cache replacement policies.”Cornell University Researchers
The vulnerability potentially could spy on a user’s web activity and share that information without the user’s consent or knowledge.