SK Hynix DDR5 安全漏洞

SK Hynix DDR5 is a double data rate synchronous dynamic random access memory from SK Hynix South Korea. A security vulnerability exists in SK Hynix DDR5 versions 2021-1 through 2024-12, which originates from a local attacker who can trigger a Rowhammer bit flip, potentially impacting hardware...

PT-2025-37707

Name of the Vulnerable Software and Affected Versions SK Hynix DDR5 versions produced from January 2021 through December 2024 Description A vulnerability exists in SK Hynix DDR5 memory, allowing a local attacker to trigger Rowhammer bit flips, impacting hardware integrity and system security. The...

Phoenix: Rowhammer Attacks on DDR5 Memory

Mitigation AMD released updated Platform Initialization PI packages to the Original Equipment Manufacturers OEM for AMD Ryzen™ Series processors. These updates allow customers to enable Mixed Refresh Mode, which is an existing DRAM workaround to rowhammer-style attacks. Please contact your OEM fo...

Thunderhammer: Rowhammer Bitflips Via PCIe and Thunderbolt (USB-C)

In recent years, Rowhammer has attracted significant attention from academia and industry alike. This technique, first published in 2014, flips bits in memory by repeatedly accessing neighbouring memory locations. Since its discovery, researchers have developed a substantial body of work exploiti...

Schrodinger'S Toolbox: Exploring the Quantum Rowhammer Attack

Residual cross-talk in superconducting qubit devices creates a security vulnerability for emerging quantum cloud services. We demonstrate a Clifford-only Quantum Rowhammer attack-using just X and CNOT gates-that injects faults on IBM's 127-qubit Eagle processors without requiring pulse-level...

Linux Distros Unpatched Vulnerability : CVE-2022-42961

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in wolfSSL before 5.5.0. A fault injection attack on RAM via Rowhammer leads to ECDSA key disclosure. Users performing signing operation...

Linux Distros Unpatched Vulnerability : CVE-2015-0565

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NaCl in 2015 allowed the CLFLUSH instruction, making rowhammer attacks possible. CVE-2015-0565 Note that Nessus relies on the presence of the package as reporte...

PRACtical: Subarray-Level Counter Update and Bank-Level Recovery Isolation for Efficient PRAC Rowhammer Mitigation

As DRAM density increases, Rowhammer becomes more severe due to heightened charge leakage, reducing the number of activations needed to induce bit flips. The DDR5 standard addresses this threat with in-DRAM per-row activation counters PRAC and the Alert Back-Off ABO signal to trigger mitigation...

GPUHammer: New RowHammer Attack Variant Degrades AI Models on NVIDIA GPUs

NVIDIA is urging customers to enable System-level Error Correction Codes ECC as a defense against a variant of a RowHammer attack demonstrated against its graphics processing units GPUs. "Risk of successful exploitation from RowHammer attacks varies based on DRAM device, platform, design...

Security Notice: Rowhammer - July 2025

NVIDIA has released this security notice in response to customer inquiries about potential impacts to NVIDIA GPUs from Rowhammer attacks. Go to NVIDIA Product Security. Details NVIDIA has received new research related to the industry-wide DRAM issue known as “Rowhammer”. The research demonstrates...

GPUHammer: Rowhammer Attacks on GPU Memories Are Practical

Rowhammer is a read disturbance vulnerability in modern DRAM that causes bit-flips, compromising security and reliability. While extensively studied on Intel and AMD CPUs with DDR and LPDDR memories, its impact on GPUs using GDDR memories, critical for emerging machine learning applications,...

CnC-PRAC: Coalesce, Not Cache, Per Row Activation Counts for an Efficient In-DRAM Rowhammer Mitigation

JEDEC has introduced the Per Row Activation Counting PRAC framework for DDR5 and future DRAMs to enable precise counting of DRAM row activations using per-row activation counts. While recent PRAC implementations enable holistic mitigation of Rowhammer attacks, they impose slowdowns of up to 10% d...

PuDHammer: Experimental Analysis of Read Disturbance Effects of Processing-Using-DRAM in Real DRAM Chips

Processing-using-DRAM PuD is a promising paradigm for alleviating the data movement bottleneck using DRAM's massive internal parallelism and bandwidth to execute very wide operations. Performing a PuD operation involves activating multiple DRAM rows in quick succession or simultaneously, i.e.,...

A Simulation-Based Evaluation Framework for Inter-VM RowHammer Mitigation Techniques

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 proposed to mitigate this attack. Evaluating these mitigation techniques requires to confirm that they actually mitiga...

CLSA-2025-1748365696 sudo: Fix of CVE-2023-42465

CVE-2023-42465: Make sudo less vulnerable to ROWHAMMER attacks...

CVE-2022-42961

An issue was discovered in wolfSSL before 5.5.0. A fault injection attack on RAM via Rowhammer leads to ECDSA key disclosure. Users performing signing operations with private ECC keys, such as in server-side TLS connections, might leak faulty ECC signatures. These signatures can be processed via ...

When Mitigations Backfire: Timing Channel Attacks and Defense for PRAC-Based RowHammer Mitigations

Per Row Activation Counting PRAC has emerged as a robust framework for mitigating RowHammer RH vulnerabilities in modern DRAM systems. However, we uncover a critical vulnerability: a timing channel introduced by the Alert Back-Off ABO protocol and Refresh Management RFM commands. We present...

Remote Rowhammer Attack Using Adversarial Observations on Federated Learning Clients

Federated Learning FL has the potential for simultaneous global learning amongst a large number of parallel agents, enabling emerging AI such as LLMs to be trained across demographically diverse data. Central to this being efficient is the ability for FL to perform sparse gradient updates and...

Valkyrie: a Response Framework to Augment Runtime Detection of Time-Progressive Attacks

A popular approach to detect cyberattacks is to monitor systems in real-time to identify malicious activities as they occur. While these solutions aim to detect threats early, minimizing damage, they suffer from a significant challenge due to the presence of false positives. False positives have ...

SUSE CVE-2024-5288

An issue was discovered in wolfSSL before 5.7.0. A safe-error attack via Rowhammer, namely FAULT+PROBE, leads to ECDSA key disclosure. When WOLFSSLCHECKSIGFAULTS is used in signing operations with private ECC keys, such as in server-side TLS connections, the connection is halted if any fault...