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 …

Sectored DRAM: A Practical Energy-Efficient and High-Performance Fine-Grained DRAM Architecture

A Olgun, FN Bostanci… - ACM Transactions on …, 2024 - dl.acm.org
Modern computing systems access data in main memory at coarse granularity (eg, at 512-bit
cache block granularity). Coarse-grained access leads to wasted energy because the …

Siloz: Leveraging DRAM Isolation Domains to Prevent Inter-VM Rowhammer

K Loughlin, J Rosenblum, S Saroiu, A Wolman… - Proceedings of the 29th …, 2023 - dl.acm.org
Today's cloud DRAM lacks strong isolation primitives, highlighted by Rowhammer bit flips.
Rowhammer poses an increasing threat to cloud security/reliability, given (1) DRAM …

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 …

PrIDE: Achieving Secure Rowhammer Mitigation with Low-Cost In-DRAM Trackers

A Jaleel, G Saileshwar, SW Keckler… - 2024 ACM/IEEE 51st …, 2024 - ieeexplore.ieee.org
Rowhammer-induced bit-flips are a threat to DRAM security. To mitigate Rowhammer,
DDR4 devices employ TRR, an in-DRAM tracker, to identify aggressor rows. In-DRAM …

MIMDRAM: An End-to-End Processing-Using-DRAM System for High-Throughput, Energy-Efficient and Programmer-Transparent Multiple-Instruction Multiple-Data …

GF Oliveira, A Olgun, AG Yağlıkçı… - … Symposium on High …, 2024 - ieeexplore.ieee.org
Processing-using-DRAM (PUD) is a processing-in-memory (PIM) approach that uses a
DRAM array's massive internal parallelism to execute very-wide (eg, 16,384-262,144-bit …

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 …

Exploring the Horizon: A Comprehensive Survey of Rowhammer

A Naseredini - arXiv preprint arXiv:2310.06950, 2023 - arxiv.org
Rowhammer poses a significant security challenge for modern computers, specifically
affecting Dynamic Random Access Memory (DRAM). Given society's growing reliance on …