CVE-2022-47915 in macOS
Summary
by MITRE • 01/11/2024
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13. An app may be able to execute arbitrary code with kernel privileges.
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Analysis
by VulDB Data Team • 06/20/2025
This vulnerability represents a critical kernel-level memory handling flaw that could potentially allow malicious applications to execute arbitrary code with elevated privileges. The issue was specifically addressed in macOS Ventura 13, indicating it affected previous versions of the operating system where improper memory management could be exploited by attackers. The vulnerability stems from inadequate memory handling mechanisms that create opportunities for privilege escalation attacks, where a standard user application could potentially gain kernel-level access and execute malicious code with the highest system privileges. Such flaws typically arise from improper memory allocation, deallocation, or access control mechanisms that fail to properly validate memory operations or enforce privilege boundaries. The security implications are severe as kernel-level execution would provide attackers with complete system control, enabling them to bypass all standard security measures, access sensitive data, modify system files, and potentially establish persistent backdoors.
The technical nature of this vulnerability aligns with common patterns found in memory corruption flaws that fall under the CWE-122 category for buffer overflow conditions and potentially CWE-787 for out-of-bounds writes. These types of vulnerabilities often manifest when applications fail to properly validate memory access boundaries or when memory management functions do not adequately protect against unauthorized access to kernel memory spaces. The exploitability of such flaws typically requires sophisticated techniques to leverage the memory handling deficiencies and translate them into privilege escalation. Attackers may utilize techniques such as heap spraying, return-oriented programming, or direct memory manipulation to exploit the vulnerability and achieve kernel code execution. The flaw demonstrates the critical importance of proper memory management in operating system kernels where even minor deficiencies can create pathways for complete system compromise.
From an operational perspective, this vulnerability presents a significant risk to macOS environments where attackers could potentially exploit it to gain unauthorized access to systems with elevated privileges. The impact extends beyond individual machines to potentially affect entire network infrastructures if exploited at scale, particularly in enterprise environments where macOS systems serve as critical infrastructure components. The vulnerability's presence in pre-Ventura versions indicates that organizations running older macOS releases would be particularly vulnerable to attacks targeting this specific memory handling flaw. Security teams must prioritize patch management to ensure all systems are updated to macOS Ventura 13 or later versions to mitigate this risk. The exploitation of such kernel-level vulnerabilities often requires advanced persistent threat actors with significant resources, but the potential impact makes it a critical concern for security professionals responsible for protecting enterprise environments.
Mitigation strategies should focus on immediate patch deployment to macOS Ventura 13 and subsequent versions where the memory handling improvements have been implemented. Organizations should conduct comprehensive vulnerability assessments to identify systems running affected macOS versions and prioritize their remediation. Network monitoring should be enhanced to detect potential exploitation attempts through anomalous memory access patterns or privilege escalation activities. System administrators should implement additional security controls including application whitelisting, kernel extension restrictions, and enhanced monitoring of system calls that could indicate exploitation attempts. The fix implemented in Ventura 13 likely involves improved memory validation routines, enhanced access controls, and better enforcement of privilege boundaries within the kernel memory management subsystem. Security teams should also consider implementing behavioral analysis tools that can detect anomalous memory access patterns consistent with this type of vulnerability exploitation. Regular security assessments and penetration testing should be conducted to verify that the patch has effectively resolved the vulnerability and that no residual attack surface remains.