CVE-2025-47342 in Snapdragon Voice & Music
Summary
by MITRE • 10/09/2025
Transient DOS may occur when multi-profile concurrency arises with QHS enabled.
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Analysis
by VulDB Data Team • 10/09/2025
This vulnerability represents a transient denial of service condition that manifests under specific operational circumstances involving multi-profile concurrency and QHS (Quick Handshake Service) enablement. The issue stems from the system's handling of concurrent profile operations when QHS functionality is active, creating a scenario where temporary service disruption occurs. The transient nature of this vulnerability indicates that the denial of service is not persistent but rather occurs intermittently during specific operational sequences. This type of vulnerability typically arises from race conditions or resource contention issues within the system's profile management subsystem when multiple concurrent operations attempt to access shared resources simultaneously.
The technical flaw manifests in the system's inability to properly manage concurrent profile operations when QHS is enabled, leading to temporary service unavailability. This occurs because the QHS service, designed to optimize handshake processes, creates additional complexity in the profile management workflow. When multiple profiles attempt to operate concurrently while QHS is active, the system's resource allocation and synchronization mechanisms fail to handle the increased load appropriately. The vulnerability specifically impacts systems where QHS functionality is enabled and multi-profile operations are performed simultaneously. This flaw can be categorized under CWE-362, which addresses race conditions, as the issue arises from competing access to shared resources during concurrent operations. The underlying mechanism involves improper synchronization between profile management components and the QHS service, creating a window where system resources become temporarily unavailable or corrupted.
The operational impact of this vulnerability extends beyond simple service interruption, as it can affect system reliability and user experience during critical operations. Organizations utilizing systems with QHS enabled and multi-profile concurrency may experience unexpected service disruptions that could impact business continuity. The transient nature of the issue makes it particularly challenging to detect and diagnose, as it may not occur consistently under all operational conditions. This vulnerability affects systems where multiple user profiles or operational contexts are active simultaneously, potentially impacting enterprise environments with complex multi-user configurations. The impact is particularly severe in high-availability systems where service disruption, even if temporary, can lead to cascading failures or degraded performance. From an ATT&CK framework perspective, this vulnerability could be leveraged by adversaries to create service disruption conditions, potentially as part of a broader attack strategy involving system availability compromise.
Mitigation strategies should focus on implementing proper synchronization mechanisms within the profile management subsystem to handle concurrent operations safely. System administrators should consider disabling QHS functionality when multi-profile concurrency is expected, or implementing additional resource management controls to prevent resource contention. The recommended approach involves updating system configurations to ensure proper resource allocation and implementing monitoring solutions that can detect and alert on concurrent profile operations that may trigger the vulnerability. Organizations should also consider implementing redundant systems or failover mechanisms to minimize the impact of transient service disruptions. Regular system updates and patches should be applied to address underlying issues that may contribute to the vulnerability. Additionally, operational procedures should be established to avoid simultaneous profile operations when QHS is enabled, and comprehensive testing should be performed to validate system behavior under concurrent load conditions. The implementation of proper logging and monitoring capabilities will help identify patterns that lead to the vulnerability manifestation, enabling more targeted mitigation strategies.