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ABACuS: All-Bank Activation Counters for Scalable and Low Overhead RowHammer Mitigation

We introduce ABACuS, a new low-cost hardware-counter-based RowHammer mitigation technique that performance-, energy-, and area-efficiently scales with worsening RowHammer vulnerability.
Bostanci, Nisa +8 more
core

An Experimental Characterization of Combined RowHammer and RowPress Read Disturbance in Modern DRAM Chips

DRAM read disturbance can break memory isolation, a fundamental property to ensure system robustness (i.e., reliability, security, safety). RowHammer and RowPress are two different DRAM read disturbance phenomena. RowHammer induces bitflips in physically
Luo, Haocong +5 more
core

BreakHammer: Enhancing RowHammer Mitigations by Carefully Throttling Suspect Threads

2024 57th IEEE/ACM International Symposium on Microarchitecture (MICRO)
RowHammer is a major read disturbance mechanism in DRAM where repeatedly accessing (hammering) a row of DRAM cells (DRAM row) induces bitflips in other physically nearby DRAM rows. RowHammer solutions perform preventive actions (e.g., refresh neighbor rows of the hammered row) that mitigate such bitflips to preserve memory isolation, a fundamental ...
Canpolat, O. +7 more
openaire +3 more sources

Intrinsic Physical Unclonable Function (PUF) Sensors in Commodity Devices. [PDF]