Flutterby™! : Rowhammer

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Rowhammer

2015-03-10 00:17:31.115789+01 by Dan Lyke 0 comments

Exploiting the DRAM rowhammer bug to gain kernel privileges.

We tested a selection of x86 laptops that were readily available to us (all with non-ECC memory) using CLFLUSH with the “random address selection” approach above. We found that a large subset of these machines exhibited rowhammer-induced bit flips. The results are shown in the table below.

More reason to fear your computer... And to spring for ECC RAM on your servers.

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