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Modern RAM Still Vulnerable to Rowhammer Attacks


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RAM memory cards.

Researchers at ETH Zurich in Switzerland and Vrije University in the Netherlands found that mitigations deployed over the last six years have failed to eliminate modern random-access memory cards' vulnerability to Rowhammer exploits

Credit: Harrison Broadbent

Extensive mitigations deployed during the last six years have failed to eliminate modern random-access memory (RAM) cards' vulnerability to Rowhammer exploits, according to researchers at ETH Zurich in Switzerland and Vrije University in the Netherlands.

The investigators said a generic tool named TRRespass that can upgrade Rowhammer attacks to hack RAM cards with Target Row Refresh (TRR) safeguards.

The researchers said, "This triggered an industry-wide effort in addressing the issues raised in this paper. Unfortunately ... it will take a long time before effective mitigations will be in place."

The hardware community has been trying to fix the Rowhammer situation since 2014.



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