Timing Side-Channel Attacks and Countermeasures in CPU Microarchitectures
Microarchitectural vulnerabilities, such as Meltdown and Spectre, exploit subtle
microarchitecture state to steal the user's secret data and even compromise the operating …
microarchitecture state to steal the user's secret data and even compromise the operating …
Fundamentally understanding and solving rowhammer
We provide an overview of recent developments and future directions in the RowHammer
vulnerability that plagues modern DRAM (Dynamic Random Memory Access) chips, which …
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
To understand and improve DRAM performance, reliability, security, and energy efficiency,
prior works study characteristics of commodity DRAM chips. Unfortunately, state-of-the-art …
prior works study characteristics of commodity DRAM chips. Unfortunately, state-of-the-art …
CoMeT: Count-Min-Sketch-based Row Tracking to Mitigate RowHammer at Low Cost
DRAM chips are increasingly more vulnerable to read-disturbance phenomena (eg,
RowHammer and RowPress), where repeatedly accessing DRAM rows causes bitflips in …
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
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 …
for breaking memory isolation, a fundamental building block for building robust systems …
[PDF][PDF] Abacus: All-bank activation counters for scalable and low overhead rowhammer mitigation
We introduce ABACuS, a new low-cost hardware-counterbased RowHammer mitigation
technique that performance-, energy-, and area-efficiently scales with worsening …
technique that performance-, energy-, and area-efficiently scales with worsening …
HidFix: Efficient mitigation of cache-based spectre attacks through hidden rollbacks
A Pashrashid, A Hajiabadi… - 2023 IEEE/ACM …, 2023 - ieeexplore.ieee.org
Mitigating Spectre attacks in modern systems is a challenging task for CPU vendors as they
need to provide comprehensive protection while maintaining high efficiency. One common …
need to provide comprehensive protection while maintaining high efficiency. One common …
Understanding Read Disturbance in High Bandwidth Memory: An Experimental Analysis of Real HBM2 DRAM Chips
DRAM read disturbance is a significant and worsening safety, security, and reliability issue
of modern DRAM chips that can be exploited to break memory isolation. Two prominent …
of modern DRAM chips that can be exploited to break memory isolation. Two prominent …
Uncore Encore: Covert Channels Exploiting Uncore Frequency Scaling
Modern processors dynamically adjust clock frequencies and voltages to reduce energy
consumption. Recent Intel processors separate the uncore frequency from the core …
consumption. Recent Intel processors separate the uncore frequency from the core …
Leveraging Adversarial Detection to Enable Scalable and Low Overhead RowHammer Mitigations
RowHammer is a prime example of read disturbance in DRAM where repeatedly accessing
(hammering) a row of DRAM cells (DRAM row) induces bitflips in other physically nearby …
(hammering) a row of DRAM cells (DRAM row) induces bitflips in other physically nearby …