CVE-2022-32837 in macOS
Summary
by MITRE • 08/25/2022
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.5, tvOS 15.6, iOS 15.6 and iPadOS 15.6. An app may be able to cause unexpected system termination or write kernel memory.
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Analysis
by VulDB Data Team • 05/29/2025
This vulnerability represents a critical kernel-level flaw that could enable malicious applications to cause unexpected system termination or write to kernel memory, potentially compromising system integrity and stability. The issue affects Apple's operating systems including macOS Monterey 12.5, tvOS 15.6, and iOS 15.6 with iPadOS 15.6, indicating a widespread impact across Apple's ecosystem. The vulnerability stems from insufficient validation mechanisms that allow improperly crafted inputs or operations to bypass normal system safeguards, creating opportunities for privilege escalation and system instability.
The technical nature of this flaw aligns with common kernel exploitation patterns where applications can manipulate system resources through improper access controls or memory management functions. This type of vulnerability typically falls under CWE-119 which addresses "Improper Access to Memory" and may also relate to CWE-20 which covers "Improper Input Validation" in system-level contexts. The ability to write kernel memory specifically indicates a potential for arbitrary code execution or system compromise, as kernel memory writes can alter critical system structures and processes. Such vulnerabilities are particularly dangerous because they operate at the lowest privilege level where applications normally cannot access or modify system resources without proper authorization.
The operational impact of this vulnerability extends beyond simple system crashes to potentially enable sophisticated attacks that could compromise the entire operating system. Attackers could exploit this weakness to gain elevated privileges, manipulate system behavior, or even establish persistent backdoors. This vulnerability would be particularly concerning in enterprise environments where macOS systems are used for sensitive data processing and where maintaining system integrity is paramount. The fact that this issue was addressed in multiple platform versions suggests it was a fundamental flaw in Apple's kernel memory management or system call validation mechanisms.
Mitigation strategies should focus on immediate deployment of the patched versions mentioned in the advisory, specifically macOS Monterey 12.5, tvOS 15.6, iOS 15.6, and iPadOS 15.6. Organizations should implement comprehensive patch management processes to ensure all affected devices receive updates promptly. Network monitoring should be enhanced to detect unusual system behavior patterns that might indicate exploitation attempts, while application whitelisting and sandboxing measures can provide additional defense layers. Security teams should also conduct thorough vulnerability assessments to identify any potential exploitation attempts that may have occurred prior to patch deployment, as this type of kernel-level vulnerability could have been leveraged for persistent threats. The remediation process should include verification testing to ensure patches are properly installed and functioning as intended, particularly in environments where multiple device types need to be managed simultaneously.