Google says Rowhammer attacks are gaining range as RAM is getting denser

Re:Google says Rowhammer attacks are gaining range as RAM is... by dec0dedab0de on Friday May 28, 2021 @10:48PM (#27322663)

So it sounds like security related flags need to be more than a single bit, and should probably be stored in different variables

[ Parent | on HN ]

Re:Google says Rowhammer attacks are gaining range as RAM is... by hedora on Friday May 28, 2021 @11:24PM (#27322795)

I imagine the silent downvotes are because that’s trying to solve the problem at the wrong layer.

For your suggestion to work, you’d need to also duplicate the logic that checks the redundant bits, etc, etc.

If you really want to do this, you end up doing what satellites do to deal with cosmic rays:

Ship three identical computers. If state diverges, majority rules. See page 9 (Radiation-Effects Mitigation and Hardness) for an FPGA example:

[ Parent | on HN ]