Memory Corruption in Qualcomm Kernel Interface

CVE-2024-38411

What is CVE-2024-38411?

CVE-2024-38411 is a vulnerability identified in the Qualcomm Kernel Interface, which is essential for enabling communication between user-space applications and kernel-space operations in devices utilizing Qualcomm hardware. This vulnerability arises from a memory corruption flaw that occurs when a buffer is incorrectly registered via IOCTL (Input/Output Control) calls. If exploited, it could lead to severe operational disruptions within an organization, as attackers may gain elevated privileges or execute arbitrary code within the kernel, compromising system integrity and security.

Technical Details

The vulnerability entails improper handling of buffer registrations from user-space to kernel-space, specifically during IOCTL calls. This memory corruption issue can potentially allow an attacker to manipulate memory in such a way that unexpected behavior can occur. Understanding the mechanisms of how IOCTL functions interact with kernel memory is critical for analyzing the implications of this vulnerability and how it can be exploited.

Potential Impact of CVE-2024-38411

1. System Compromise: Exploitation of this vulnerability may allow attackers to gain elevated privileges, enabling unauthorized access to sensitive system resources and data, which can lead to complete system takeover.

2. Data Breach Risks: With potential administrative control over affected devices, attackers could exfiltrate confidential information, jeopardizing user privacy and corporate data security.

3. Operational Disruption: The memory corruption could lead to system crashes or erratic system behavior, which may result in downtime for applications and services that rely on the Qualcomm Kernel Interface, affecting overall operational efficiency and service availability.

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