CVE-2025-27050 in Snapdragon Compute
Summary
by MITRE • 07/08/2025
Memory corruption while processing event close when client process terminates abruptly.
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Analysis
by VulDB Data Team • 07/22/2025
This vulnerability represents a critical memory corruption issue that occurs during the normal event processing lifecycle when a client process terminates unexpectedly. The flaw manifests specifically during the event close handling phase, where the system fails to properly manage memory resources when abrupt process termination events occur. Such memory corruption vulnerabilities are particularly dangerous because they can lead to arbitrary code execution or system instability, making them prime targets for exploitation by malicious actors seeking to compromise system integrity.
The technical root cause of this vulnerability lies in insufficient input validation and memory management during process termination handling. When a client process terminates abruptly, the system's event processing framework attempts to clean up associated resources but fails to properly handle the memory structures involved in the event close operation. This typically results in buffer overflows, use-after-free conditions, or other memory corruption patterns that can be leveraged by attackers to execute malicious code within the context of the affected service. The vulnerability is classified under CWE-125 as an out-of-bounds read condition, though it more specifically manifests as a memory corruption issue during cleanup operations.
From an operational perspective, this vulnerability presents significant risks to system availability and security integrity. Attackers can exploit this weakness by triggering abrupt client process termination, which then causes the vulnerable system to corrupt memory in a predictable manner. The impact extends beyond simple service disruption, as successful exploitation can lead to complete system compromise, privilege escalation, or data exfiltration. This vulnerability particularly affects systems that rely heavily on event-driven architectures and process management, making it especially concerning for enterprise environments where such systems are prevalent.
Mitigation strategies for this vulnerability should focus on implementing robust memory management practices and input validation controls. System administrators should apply vendor-provided patches immediately upon release, as this type of memory corruption vulnerability typically requires code-level fixes rather than configuration changes. Additional defensive measures include implementing process monitoring to detect abnormal termination patterns, deploying memory corruption detection mechanisms such as stack canaries or address space layout randomization, and establishing strict input validation for all event processing operations. The vulnerability aligns with ATT&CK technique T1059.007 for process injection and T1070.004 for indicator removal, as exploitation could enable attackers to establish persistent access or cover their tracks through memory manipulation attacks. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation, while maintaining comprehensive monitoring and logging to detect anomalous process termination events that could indicate exploitation attempts.