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This work deals with error correction for non-volatile memories that are partially defective at some levels. Such memory cells can only store incomplete information since some of their levels cannot be utilized entirely due to, e.g.,…

信息论 · 计算机科学 2022-08-23 Haider Al Kim , Kai Jie Chan

Dynamic random access memory failures are a threat to the reliability of data centres as they lead to data loss and system crashes. Timely predictions of memory failures allow for taking preventive measures such as server migration and…

分布式、并行与集群计算 · 计算机科学 2022-12-21 Jasmin Bogatinovski , Qiao Yu , Jorge Cardoso , Odej Kao

The viability of an Augmentative and Alternative Communication device often depends on its ability to adapt to an individual user's unique abilities. Though human input can be noisy, there is often structure to our errors. For example,…

人机交互 · 计算机科学 2019-10-04 Matt Higger , Fernando Quivira , Deniz Erdogmus

Even when prompts and parameters are secured, transformer language models remain vulnerable because their key-value (KV) cache during inference constitutes an overlooked attack surface. This paper introduces Malicious Token Injection (MTI),…

密码学与安全 · 计算机科学 2026-02-03 Elias Hossain , Swayamjit Saha , Somshubhra Roy , Ravi Prasad

Many damaging cybersecurity attacks are enabled when an attacker can access residual sensitive information (e.g. cryptographic keys, personal identifiers) left behind from earlier computation. Attackers can sometimes use residual…

密码学与安全 · 计算机科学 2021-06-21 Deborah Shands , Carolyn Talcott

The prevalence of memory corruption bugs in the past decades resulted in numerous defenses, such as stack canaries, control flow integrity (CFI), and memory safe languages. These defenses can prevent entire classes of vulnerabilities, and…

密码学与安全 · 计算机科学 2021-04-20 Andrea Mambretti , Alexandra Sandulescu , Alessandro Sorniotti , William Robertson , Engin Kirda , Anil Kurmus

Unsafe memory accesses in programs written using popular programming languages like C/C++ have been among the leading causes for software vulnerability. Prior memory safety checkers such as SoftBound enforce memory spatial safety by…

编程语言 · 计算机科学 2019-07-10 Yurong Chen , Hongfa Xue , Tian Lan , Guru Venkataramani

Modern computing systems are limited in performance by the memory bandwidth available to processors, a problem known as the memory wall. Processing-in-Memory (PIM) promises to substantially improve this problem by moving processing closer…

密码学与安全 · 计算机科学 2025-04-24 Sahar Ghoflsaz Ghinani , Jingyao Zhang , Elaheh Sadredini

Quantum random access memory (QRAM) is required for numerous quantum algorithms and network architectures. Previous work has shown that the ubiquitous bucket-brigade QRAM is highly resilient to arbitrary local incoherent noise channels…

量子物理 · 物理学 2024-12-18 Rohan Mehta , Gideon Lee , Liang Jiang

Trusted execution environments (TEEs) provide an environment for running workloads in the cloud without having to trust cloud service providers, by offering additional hardware-assisted security guarantees. However, main memory encryption…

密码学与安全 · 计算机科学 2023-09-25 Jan Wichelmann , Anna Pätschke , Luca Wilke , Thomas Eisenbarth

A memory consistency model specifies the allowed behaviors of shared memory concurrent programs. At the language level, these models are known to have a non-trivial impact on the safety of program optimizations, limiting the ability to…

编程语言 · 计算机科学 2025-03-11 Akshay Gopalakrishnan , Clark Verbrugge , Mark Batty

Memory safety bugs remain in the top ranks of security vulnerabilities, even after decades of research on their detection and prevention. Various mitigations have been proposed for C/C++, ranging from language dialects to instrumentation.…

密码学与安全 · 计算机科学 2023-05-12 Konrad Hohentanner , Philipp Zieris , Julian Horsch

Large language models (LLMs) are increasingly used to help security analysts manage the surge of cyber threats, automating tasks from vulnerability assessment to incident response. Yet in operational CTI workflows, reliability gaps remain…

密码学与安全 · 计算机科学 2026-05-29 Yuqiao Meng , Luoxi Tang , Feiyang Yu , Jinyuan Jia , Guanhua Yan , Ping Yang , Zhaohan Xi

Most programs compiled to WebAssembly (Wasm) today are written in unsafe languages like C and C++. Unfortunately, memory-unsafe C code remains unsafe when compiled to Wasm -- and attackers can exploit buffer overflows and use-after-frees in…

Despite decades of efforts to resolve, memory safety violations are still persistent and problematic in modern systems. Various defense mechanisms have been proposed, but their deployment in real systems remains challenging because of…

硬件体系结构 · 计算机科学 2023-08-08 Yonghae Kim , Anurag Kar , Jaewon Lee , Jaekyu Lee , Hyesoon Kim

The C/C++ memory model provides an interface and execution model for programmers of concurrent (shared-variable) code. It provides a range of mechanisms that abstract from underlying hardware memory models -- that govern how multicore…

编程语言 · 计算机科学 2022-04-08 Robert J. Colvin

The continuing advancement of memory technology has not only fueled a surge in performance, but also substantially exacerbate reliability challenges. Traditional solutions have primarily focused on improving the efficiency of protection…

硬件体系结构 · 计算机科学 2025-09-09 Fan Li , Mimi Xie , Yanan Guo , Huize Li , Xin Xin

Safe memory reclamation (SMR) algorithms are crucial for preventing use-after-free errors in optimistic data structures. SMR algorithms typically delay reclamation for safety and reclaim objects in batches for efficiency. It is difficult to…

分布式、并行与集群计算 · 计算机科学 2023-02-28 Ajay Singh , Trevor Brown , Michael Spear

Side-channel attacks on memory (SCAM) exploit unintended data leaks from memory subsystems to infer sensitive information, posing significant threats to system security. These attacks exploit vulnerabilities in memory access patterns, cache…

密码学与安全 · 计算机科学 2025-05-09 MD Mahady Hassan , Shanto Roy , Reza Rahaeimehr

We introduce the Context Compliance Attack (CCA), a novel, optimization-free method for bypassing AI safety mechanisms. Unlike current approaches -- which rely on complex prompt engineering and computationally intensive optimization -- CCA…

密码学与安全 · 计算机科学 2025-03-10 Mark Russinovich , Ahmed Salem