CVE-2025-27046 in Snapdragon Compute
Summary
by MITRE • 07/08/2025
Memory corruption while processing multiple simultaneous escape calls.
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Analysis
by VulDB Data Team • 07/22/2025
This vulnerability represents a critical memory corruption issue that occurs during the processing of concurrent escape sequences within a system. The flaw manifests when multiple escape calls are executed simultaneously, creating a race condition or improper memory handling scenario that can lead to arbitrary code execution or system instability. The vulnerability stems from inadequate synchronization mechanisms or memory management routines that fail to properly handle concurrent access patterns during escape sequence processing. Such memory corruption vulnerabilities are particularly dangerous because they can be exploited to gain unauthorized access to system resources or execute malicious code with elevated privileges.
The technical implementation of this vulnerability involves the system's failure to properly manage memory allocation and deallocation during simultaneous escape sequence operations. When multiple escape calls are processed concurrently, the underlying memory management structures become corrupted due to lack of proper locking mechanisms or thread safety measures. This type of vulnerability typically falls under the category of race conditions and memory safety issues, with potential mappings to CWE-119 for memory corruption and CWE-362 for race conditions. The flaw likely exists in the kernel-level or system driver components that handle escape sequences, where concurrent access to shared memory regions is not properly synchronized.
The operational impact of this vulnerability extends beyond simple system crashes or hangs, as it can enable sophisticated attack vectors including privilege escalation, remote code execution, and denial of service conditions. Attackers can exploit this weakness by carefully crafting multiple simultaneous escape calls that trigger the memory corruption scenario, potentially leading to complete system compromise. The vulnerability's exploitation requires a deep understanding of the target system's memory layout and escape sequence handling mechanisms, making it particularly dangerous in environments where system stability and security are paramount. Organizations running affected systems are at risk of unauthorized access and potential data breaches.
Mitigation strategies should focus on implementing proper synchronization mechanisms and memory safety checks within the escape sequence processing code. System administrators should apply available patches and updates immediately, while developers should review and enhance the concurrent access handling within their escape sequence implementations. The solution involves introducing proper locking mechanisms, implementing memory validation routines, and ensuring thread-safe operations during escape sequence processing. Organizations should also consider deploying runtime monitoring systems to detect anomalous escape sequence patterns and implement network segmentation to limit potential attack surfaces. Additionally, following secure coding practices and conducting regular security audits can help identify similar vulnerabilities before they can be exploited. This vulnerability highlights the importance of memory safety in concurrent systems and demonstrates how seemingly minor synchronization issues can lead to critical security breaches.