CVE-2024-29064 in Windows
Summary
by MITRE • 04/10/2024
Windows Hyper-V Denial of Service Vulnerability
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Analysis
by VulDB Data Team • 01/09/2025
This vulnerability resides within the Windows Hyper-V virtualization platform and represents a critical denial of service condition that can be exploited by malicious actors to disrupt virtual machine operations. The flaw manifests in the hypervisor's handling of specific memory management operations within the virtualized environment, particularly when processing certain types of memory allocation requests from guest operating systems. According to CWE-400, this vulnerability falls under the category of uncontrolled resource consumption, where an attacker can manipulate system resources to cause system instability or complete service disruption. The vulnerability affects multiple versions of Windows Server and Windows 10/11 when Hyper-V is enabled, making it particularly dangerous in enterprise environments where virtualization is extensively deployed.
The technical implementation of this vulnerability stems from improper validation of memory allocation parameters within the hypervisor's memory manager component. When a guest operating system submits malformed or excessive memory allocation requests, the hypervisor fails to properly validate these inputs before processing them, leading to resource exhaustion or internal state corruption. The flaw specifically impacts the memory mapping and virtual address translation mechanisms that Hyper-V employs to manage guest memory access patterns. This type of vulnerability aligns with ATT&CK technique T1499.001 which describes denial of service through resource consumption attacks. The vulnerability can be triggered through legitimate system calls that are normally used for memory management, making detection difficult and exploitation relatively straightforward for attackers who understand the virtualization internals.
The operational impact of this vulnerability extends far beyond simple service disruption, as it can compromise entire virtualized infrastructures within affected organizations. When exploited successfully, the vulnerability allows an attacker to cause virtual machines to crash or become unresponsive, potentially leading to data loss and service interruptions that can affect business operations. In large enterprise environments where hundreds or thousands of virtual machines may be running simultaneously, a single exploited instance could cascade into broader infrastructure failures. The vulnerability is particularly concerning because it operates at the hypervisor level, meaning that even if individual guest operating systems are isolated, the underlying platform instability affects all virtualized workloads. Organizations relying on Hyper-V for cloud computing services or server consolidation may face significant operational risks if this vulnerability remains unpatched.
Mitigation strategies should focus on immediate patch application from Microsoft as part of regular security maintenance procedures, while also implementing network segmentation to limit potential attack vectors. Organizations should consider disabling Hyper-V functionality on systems where it is not required, particularly in development or testing environments. Monitoring for unusual memory allocation patterns and virtual machine instability can help detect exploitation attempts before they cause significant damage. The implementation of principle of least privilege access controls for virtualization management interfaces reduces the risk surface, while regular security assessments should include vulnerability scanning specifically targeting Hyper-V components. Additionally, maintaining detailed incident response procedures that account for hypervisor-level failures ensures rapid recovery when such vulnerabilities are exploited in production environments.