CVE-2025-43244 in macOS
Summary
by MITRE • 07/30/2025
A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.
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Analysis
by VulDB Data Team • 07/31/2025
This vulnerability represents a race condition flaw that exists within Apple's macOS operating system, specifically affecting versions prior to the mentioned security updates. The issue stems from inadequate state handling mechanisms that allow malicious applications to exploit timing dependencies in system operations. Race conditions occur when multiple processes or threads attempt to access shared resources simultaneously, creating unpredictable behavior when the outcome depends on the sequence or timing of execution. The vulnerability is particularly concerning as it can be leveraged by an application to cause unexpected system termination, potentially leading to denial of service conditions or system instability. This type of flaw typically arises when developers fail to properly synchronize access to shared resources or when state transitions are not adequately protected against concurrent access. The race condition in question likely involves scenarios where system resources are accessed or modified by multiple code paths simultaneously, creating opportunities for exploitation.
The technical impact of this vulnerability extends beyond simple system crashes, as it represents a fundamental weakness in the operating system's concurrency control mechanisms. When an application can manipulate the timing of system operations to trigger race conditions, it gains the ability to destabilize core system processes and potentially escalate privileges. This aligns with CWE-362, which describes race conditions that can lead to security vulnerabilities through improper synchronization of concurrent operations. The flaw demonstrates how seemingly benign state management issues can become serious security concerns when they provide attack vectors for arbitrary code execution or system compromise. The fix implemented in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7 addresses these issues through improved state handling protocols that ensure proper resource synchronization and prevent malicious applications from exploiting timing dependencies. These updates likely involve modifications to kernel-level operations, process management routines, and memory allocation mechanisms that were previously susceptible to race condition exploitation.
From an operational perspective, this vulnerability creates significant risks for organizations relying on macOS systems, particularly those operating in environments where application isolation is critical. Attackers could potentially leverage this flaw to cause system-wide disruptions, leading to productivity losses and potential data integrity issues. The exploitability of such race conditions often depends on the attacker's ability to precisely time system operations and predict memory layouts, making it a sophisticated attack vector that requires careful analysis of system behavior. This vulnerability may also enable attackers to bypass security controls that depend on proper state management, potentially allowing for privilege escalation or persistent access to compromised systems. Organizations should consider the implications of this vulnerability in relation to their security frameworks, particularly in environments where macOS systems handle sensitive data or critical operations. The fix addresses these concerns by implementing more robust state management protocols that prevent applications from causing unintended system termination through race condition exploitation.
The remediation approach taken by Apple demonstrates a comprehensive understanding of the underlying security principles, focusing on improving the fundamental state handling mechanisms rather than applying superficial patches. This approach aligns with security best practices outlined in various frameworks, including those emphasizing the importance of proper synchronization and resource management in preventing race condition vulnerabilities. The update process ensures that system stability is maintained while addressing the root cause of the issue, rather than merely masking symptoms. Security teams should prioritize deployment of these updates across their macOS environments to eliminate the risk of exploitation. The vulnerability also highlights the importance of continuous security monitoring and the need for organizations to maintain up-to-date systems that incorporate the latest security enhancements. This particular race condition represents a classic example of how subtle concurrency issues can become significant security threats, reinforcing the need for rigorous security testing and code review processes that specifically address multi-threading and state management concerns. The implementation of improved state handling mechanisms serves as a preventive measure against similar vulnerabilities and contributes to overall system resilience against sophisticated attack techniques that exploit timing-based weaknesses in operating system functionality.