CVE-2025-68960 in HarmonyOS
Summary
by MITRE • 01/14/2026
Multi-thread race condition vulnerability in the video framework module. Impact: Successful exploitation of this vulnerability may affect availability.
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Analysis
by VulDB Data Team • 01/17/2026
This vulnerability represents a critical race condition flaw within the video framework module that exists across multiple threading contexts. The issue stems from insufficient synchronization mechanisms when multiple threads attempt to access shared resources simultaneously during video processing operations. The race condition manifests when concurrent threads interfere with each other's execution paths, creating unpredictable behavior that can lead to system instability or complete service disruption. Such vulnerabilities are particularly dangerous in multimedia frameworks where real-time processing and resource management are paramount. The underlying technical flaw typically involves improper locking mechanisms, unprotected shared variables, or inadequate atomic operations that allow threads to access or modify critical data structures concurrently. This type of vulnerability aligns with CWE-362 which specifically addresses race conditions in concurrent programming environments. The impact on system availability is significant as the race condition can cause the video framework to crash, hang, or become unresponsive during high-concurrency scenarios. When exploited, this vulnerability may result in denial of service conditions where legitimate users cannot access video processing capabilities, potentially affecting applications ranging from media streaming platforms to video conferencing systems. The operational impact extends beyond simple availability concerns as the race condition could also lead to data corruption or inconsistent state management within the video processing pipeline. Attackers can exploit this vulnerability by creating specific threading patterns that trigger the race condition, often through carefully crafted video input sequences or concurrent access requests that force the framework into an inconsistent state. The vulnerability is particularly concerning in enterprise environments where video frameworks support critical business operations such as live broadcasting, surveillance systems, or collaborative platforms that depend on stable multimedia processing capabilities.
The exploitation of this race condition vulnerability typically requires a sophisticated understanding of the underlying threading model and memory management within the video framework. Attackers must identify the specific code paths that are vulnerable to concurrent access and then construct inputs that will trigger the race condition reliably. This often involves creating multiple threads that attempt to access the same video processing resources simultaneously, causing the system to enter an undefined state where critical data structures become corrupted or inconsistent. The vulnerability's impact on availability is compounded by the fact that such race conditions can be difficult to reproduce consistently, making them particularly challenging to detect during testing phases. The technical implementation of the video framework likely involves complex state management where multiple threads need to coordinate access to shared buffers, processing queues, or configuration parameters. When these coordination mechanisms fail due to the race condition, the system may experience cascading failures that affect the entire multimedia processing pipeline. This type of vulnerability is commonly addressed through proper implementation of mutex locks, semaphores, or other synchronization primitives that ensure exclusive access to critical resources during concurrent operations. The ATT&CK framework categorizes such vulnerabilities under the 'Execution' and 'Persistence' domains, as attackers can leverage these conditions to maintain access to compromised systems or escalate privileges through system instability. Organizations should implement comprehensive monitoring solutions to detect anomalous threading behavior or resource contention patterns that may indicate exploitation attempts. The vulnerability's susceptibility to exploitation is heightened in environments with high concurrent user loads or automated processing systems where multiple threads are constantly accessing video framework components.
Mitigation strategies for this race condition vulnerability should focus on implementing robust synchronization mechanisms throughout the video framework's threading architecture. The primary approach involves adding proper locking mechanisms around shared resources and critical sections of code that handle video processing operations. This includes implementing mutex locks, read-write locks, or other thread-safe constructs that prevent concurrent access to sensitive data structures. The framework should also incorporate atomic operations for simple data modifications and ensure that all shared variables are properly protected against race conditions. Security patches should address the root cause by correcting the synchronization logic and ensuring that all thread interactions are properly coordinated. Organizations should implement defensive programming practices including input validation, resource cleanup procedures, and proper error handling to minimize the impact of any remaining race condition scenarios. Regular code reviews and static analysis should be conducted to identify potential threading issues before they can be exploited. The implementation of memory safety checks and bounds verification can help prevent memory corruption that may result from the race condition. Additionally, system administrators should monitor for unusual threading behavior, resource contention, or performance degradation patterns that could indicate exploitation attempts. Configuration hardening measures should include limiting concurrent access to video processing resources and implementing proper resource isolation between different processing threads. The vulnerability's remediation requires comprehensive testing under high-concurrency scenarios to ensure that the synchronization mechanisms effectively prevent race conditions. Organizations should also consider implementing intrusion detection systems that can identify suspicious threading patterns or resource access violations that may indicate exploitation attempts. Regular security updates and patches should be applied promptly to address any newly discovered race condition vulnerabilities in the video framework components. The mitigation approach must also include proper incident response procedures that can quickly identify and contain exploitation attempts that leverage this type of threading vulnerability.