4 papers
Analyzing Vector Register Usage in Linux Packages to Understand Real-World Impact of Downfall Attack
Yohei Harata, Soramichi Akiyama
Downfall is a side-channel attack that leaks values in vector registers from a process to another on the same CPU core. This attack enables an attacker to achieve serious outcomes…
Efficient RL-based Cache Vulnerability Exploration by Penalizing Useless Agent Actions
Kanato Nakanishi, Soramichi Akiyama
Cache-timing attacks exploit microarchitectural characteristics to leak sensitive data, posing a severe threat to modern systems. Despite its severity, analyzing the vulnerability…
A Simulation-based Evaluation Framework for Inter-VM RowHammer Mitigation Techniques
Hidemasa Kawasaki, Soramichi Akiyama
Inter-VM RowHammer is an attack that induces a bitflip beyond the boundaries of virtual machines (VMs) to compromise a VM from another, and some software-based techniques have been…
GbHammer: Malicious Inter-process Page Sharing by Hammering Global Bits in Page Table Entries
Keigo Yoshioka, Soramichi Akiyama
RowHammer is a vulnerability inside DRAM chips where an attacker repeatedly accesses a DRAM row to flip bits in the nearby rows without directly accessing them. Several studies hav…