CVE-2022-22089 in Snapdragon Connectivity
Summary
by MITRE • 09/16/2022
Memory corruption in audio while playing record due to improper list handling in two threads in Snapdragon Connectivity, Snapdragon Mobile, Snapdragon Wearables
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Analysis
by VulDB Data Team • 10/19/2022
This vulnerability resides in the audio processing subsystem of Qualcomm Snapdragon chipsets affecting multiple product lines including connectivity, mobile, and wearables devices. The memory corruption occurs during audio recording operations when the system handles lists across concurrent threads, representing a critical flaw in the underlying audio framework that could lead to system instability and potential exploitation. The issue stems from improper synchronization mechanisms between thread operations where one thread modifies a list structure while another accesses it simultaneously, creating race conditions that result in memory corruption. This type of vulnerability falls under the CWE-362 category of concurrent execution using shared data structures without proper synchronization, making it particularly dangerous in real-time audio processing environments where timing and data integrity are paramount. The flaw manifests specifically during recording operations when the audio subsystem attempts to manage dynamic lists of audio buffers or processing elements, creating opportunities for attackers to manipulate memory contents through carefully crafted audio input sequences.
The operational impact of this vulnerability extends beyond simple system crashes to potentially enable arbitrary code execution on affected devices. When memory corruption occurs during audio recording, it can lead to unpredictable system behavior including application crashes, system reboots, or more severe conditions where malicious actors could leverage the corrupted memory state to execute unauthorized code. The multi-threaded nature of the flaw means that exploitation could occur through various attack vectors including malicious audio files, network-based attacks, or even physical access scenarios where an attacker could manipulate the audio processing pipeline. This vulnerability directly impacts the security posture of mobile devices, wearables, and connected IoT systems that rely on Snapdragon chipsets, creating potential entry points for attackers to gain elevated privileges or access sensitive data. The attack surface is particularly concerning given that audio processing is a fundamental function in most mobile devices, making this vulnerability potentially exploitable in numerous real-world scenarios.
Mitigation strategies for CVE-2022-22089 should focus on both immediate patching and operational security measures. Qualcomm has released security updates addressing this vulnerability through their regular security bulletin process, and device manufacturers should prioritize deployment of these patches across affected device fleets. Organizations should implement monitoring for unusual audio processing behaviors or system instability patterns that might indicate exploitation attempts. Network security teams should consider implementing additional controls around audio input processing, particularly in environments where audio data originates from untrusted sources. The vulnerability demonstrates the importance of proper thread synchronization and memory management in embedded systems, highlighting that even seemingly benign functionality like audio recording can contain critical security flaws. Defense in depth strategies should include runtime monitoring of audio processing subsystems, implementation of memory protection mechanisms, and regular security assessments of multimedia frameworks to identify similar concurrency issues. This vulnerability also underscores the need for adherence to security standards such as those outlined in the OWASP Mobile Security Project and NIST cybersecurity guidelines for embedded systems, where proper handling of shared resources and thread safety are fundamental requirements for secure software development practices.