Rowpress: Amplifying read disturbance in modern dram chips

H Luo, A Olgun, AG Yağlıkçı, YC Tuğrul… - Proceedings of the 50th …, 2023 - dl.acm.org
Memory isolation is critical for system reliability, security, and safety. Unfortunately, read
disturbance can break memory isolation in modern DRAM chips. For example, RowHammer …

Fundamentally understanding and solving rowhammer

O Mutlu, A Olgun, AG Yağlıkcı - Proceedings of the 28th Asia and South …, 2023 - dl.acm.org
We provide an overview of recent developments and future directions in the RowHammer
vulnerability that plagues modern DRAM (Dynamic Random Memory Access) chips, which …

DRAM bender: An extensible and versatile FPGA-based infrastructure to easily test state-of-the-art DRAM chips

A Olgun, H Hassan, AG Yağlıkçı… - … on Computer-Aided …, 2023 - ieeexplore.ieee.org
To understand and improve DRAM performance, reliability, security, and energy efficiency,
prior works study characteristics of commodity DRAM chips. Unfortunately, state-of-the-art …

An experimental analysis of RowHammer in HBM2 DRAM chips

A Olgun, M Osseiran, AG Yağlıkçı… - 2023 53rd Annual …, 2023 - ieeexplore.ieee.org
RowHammer (RH) is a significant and worsening security, safety, and reliability issue of
modern DRAM chips that can be exploited to break memory isolation. Therefore, it is …

Functionally-Complete Boolean Logic in Real DRAM Chips: Experimental Characterization and Analysis

İE Yüksel, YC Tuğrul, A Olgun… - … Symposium on High …, 2024 - ieeexplore.ieee.org
Processing-using-DRAM (PuD) is an emerging paradigm that leverages the analog
operational properties of DRAM circuitry to enable massively parallel in-DRAM computation …

CoMeT: Count-Min-Sketch-based Row Tracking to Mitigate RowHammer at Low Cost

FN Bostanci, ISE Yüksel, A Olgun… - … Symposium on High …, 2024 - ieeexplore.ieee.org
DRAM chips are increasingly more vulnerable to read-disturbance phenomena (eg,
RowHammer and RowPress), where repeatedly accessing DRAM rows causes bitflips in …

Spatial Variation-Aware Read Disturbance Defenses: Experimental Analysis of Real DRAM Chips and Implications on Future Solutions

AG Yağlıkçı, YC Tuğrul, GF Oliveira… - … Symposium on High …, 2024 - ieeexplore.ieee.org
Read disturbance in modern DRAM chips is a widespread phenomenon and is reliably used
for breaking memory isolation, a fundamental building block for building robust systems …

Read disturbance in high bandwidth memory: A detailed experimental study on hbm2 dram chips

A Olgun, M Osseiran, AG Yağlıkçı… - 2024 54th Annual …, 2024 - ieeexplore.ieee.org
We experimentally demonstrate the effects of read disturbance (RowHammer and
RowPress) and uncover the inner workings of undocumented read disturbance defense …

[PDF][PDF] Abacus: All-bank activation counters for scalable and low overhead rowhammer mitigation

A Olgun, YC Tugrul, N Bostanci, IE Yuksel, H Luo… - USENIX …, 2024 - usenix.org
We introduce ABACuS, a new low-cost hardware-counterbased RowHammer mitigation
technique that performance-, energy-, and area-efficiently scales with worsening …

Understanding the Security Benefits and Overheads of Emerging Industry Solutions to DRAM Read Disturbance

O Canpolat, AG Yağlıkçı, GF Oliveira, A Olgun… - arXiv preprint arXiv …, 2024 - arxiv.org
We present the first rigorous security, performance, energy, and cost analyses of the state-of-
the-art on-DRAM-die read disturbance mitigation method, Per Row Activation Counting …