Google Cloud Warns Three AMD Turin CPU Flaws Could Leak Data Across Processes in VMs

Google Cloud has issued a warning about three critical vulnerabilities in AMD’s Turin CPU architecture, which could potentially allow data leakage across processes within virtual machines (VMs) on their platform. These flaws, if exploited, could grant attackers access to sensitive information and enable them to execute malicious code.

The three vulnerabilities, identified as CVE-2024-1340, CVE-2024-1341, and CVE-2024-1342, affect the Turin CPU’s handling of memory accesses and can be triggered by a malicious process within a VM. If exploited, they could allow attackers to bypass traditional security measures such as access control lists (ACLs) and data encryption. This is particularly concerning for organizations that rely on Google Cloud for their infrastructure needs.

AMD’s Turin CPU architecture is designed to provide improved performance and efficiency in cloud environments. However, the flaws identified by Google Cloud highlight a potential weakness in this design. The vulnerabilities are related to how the CPU handles memory accesses, specifically when dealing with virtualized environments. In simple terms, they create an opportunity for malicious code to access and manipulate sensitive data across different processes within a VM.

The impact of these vulnerabilities is significant, as they could enable attackers to move laterally across multiple systems within a cloud environment. This can happen even if traditional security measures such as network segmentation or firewalls are in place. The potential consequences include unauthorized access to sensitive data, disruption of business operations, and potentially even the execution of malware that could compromise the entire system.

What’s particularly concerning about these vulnerabilities is their ability to bypass traditional security controls. This means that organizations may need to re-evaluate their existing security measures to ensure they are adequate for protecting against this type of threat. Google Cloud has taken proactive steps by issuing a warning and providing guidelines on how users can mitigate the risk. However, it’s essential that customers take immediate action to address these vulnerabilities.

To protect themselves from these vulnerabilities, organizations should start by reviewing their current security protocols and ensuring they have adequate measures in place for monitoring VMs within their cloud environment. They should also consider implementing additional controls such as least privilege access or network segmentation to prevent lateral movement. It’s essential that users take this warning seriously and address the potential risks immediately to avoid any future breaches or data exposure.


Source: The Hacker News — 2026-11-12