Revisiting rowhammer: An experimental analysis of modern dram devices and mitigation techniques

JS Kim, M Patel, AG Yağlıkçı, H Hassan… - 2020 ACM/IEEE 47th …, 2020 - ieeexplore.ieee.org
RowHammer is a circuit-level DRAM vulnerability, first rigorously analyzed and introduced in
2014, where repeatedly accessing data in a DRAM row can cause bit flips in nearby rows …

Randomized row-swap: mitigating row hammer by breaking spatial correlation between aggressor and victim rows

G Saileshwar, B Wang, M Qureshi, PJ Nair - Proceedings of the 27th …, 2022 - dl.acm.org
Row Hammer is a fault-injection attack in which rapid activations to a single DRAM row
causes bit-flips in nearby rows. Several recent defenses propose tracking aggressor-rows …

Scalable and secure row-swap: Efficient and safe row hammer mitigation in memory systems

J Woo, G Saileshwar, PJ Nair - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
As Dynamic Random Access Memories (DRAM) scale, they are becoming increasingly
susceptible to Row Hammer. By rapidly activating rows of DRAM cells (aggressor rows) …

Aqua: Scalable rowhammer mitigation by quarantining aggressor rows at runtime

A Saxena, G Saileshwar, PJ Nair… - 2022 55th IEEE/ACM …, 2022 - ieeexplore.ieee.org
Rowhammer allows an attacker to induce bit flips in a row by rapidly accessing neighboring
rows. Rowhammer is a severe security threat as it can be used to escalate privilege or break …

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

FN Bostanci, IE 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 …

Pt-guard: Integrity-protected page tables to defend against breakthrough rowhammer attacks

A Saxena, G Saileshwar, J Juffinger… - 2023 53rd Annual …, 2023 - ieeexplore.ieee.org
Page tables enforce process isolation in systems. Rowhammer attacks break process
isolation by flip** bits in DRAM to tamper page tables and achieving privilege escalation …

Pthammer: Cross-user-kernel-boundary rowhammer through implicit accesses

Z Zhang, Y Cheng, D Liu, S Nepal… - 2020 53rd Annual …, 2020 - ieeexplore.ieee.org
Rowhammer is a hardware vulnerability in DRAM memory, where repeated access to
memory can induce bit flips in neighboring memory locations. Being a hardware …

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

A Olgun, YC Tugrul, N Bostanci, IE Yuksel… - 33rd USENIX Security …, 2024 - usenix.org
We introduce ABACuS, a new low-cost hardware-counterbased RowHammer mitigation
technique that performance-, energy-, and area-efficiently scales with worsening …

Moesi-prime: preventing coherence-induced hammering in commodity workloads

K Loughlin, S Saroiu, A Wolman, YA Manerkar… - Proceedings of the 49th …, 2022 - dl.acm.org
Prior work shows that Rowhammer attacks---which flip bits in DRAM via frequent activations
of the same row (s)---are viable. Adversaries typically mount these attacks via instruction …

Safeguard: Reducing the security risk from row-hammer via low-cost integrity protection

A Fakhrzadehgan, YN Patt, PJ Nair… - … Symposium on High …, 2022 - ieeexplore.ieee.org
Row-Hammer (RH) is a DRAM data-disturbance failure that occurs when a row is activated
frequently, which causes bit-flips in nearby rows. Row-Hammer is a significant security threat …