Lately,The Intel STORM team proposed a memory-based vulnerability hardware repair scheme "SAPM", known as Speculative-Access Protected Memory (Predictive access Protection memory, to block any predictive attacks, including Meltdown (fuse), Foreshadow,MDS,SpectreRSB,Spoiler and so on, by deploying hardware patches in CPU memory.
It is not targeted to fix one or some of the vulnerabilities that have been found, but rather to directly defend against the principle of predictive attacks, so the team believes,In addition to protecting against existing attacks, it can also prevent future similar attacks against Intel processors, at least most of them.
This methodIt will also cause CPU performance loss to a certain extent.But it is believed that the impact is much smaller than the current plan.
However, this idea is still in place. Theoretical and feasibility study stageWhether and when it can be realized still needs a lot of research work.
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