Bluetooth: Memory Leak Vulnerability in Linux Kernel
Summary
GSD-2022-1002002: Bluetooth: use memset avoid memory leaks. Affects Kernel versions < 9567d54e70ff58c2695c2cc2e53c86c67551d3e6. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system. It provides essential services and functions for the system's operation, including device drivers, memory management, and process scheduling. Bluetooth is a wireless communication technology commonly used for short-range data exchange between devices. It is supported by the Linux Kernel through the BlueZ stack. However, a vulnerability has been discovered in the Bluetooth implementation that can lead to memory leaks.
Vulnerability Detail
The vulnerability in the Linux Kernel's Bluetooth implementation arises from the improper handling of memory allocation. Specifically, the code does not properly clear sensitive data stored in memory before releasing it, leading to potential memory leaks. An attacker could exploit this vulnerability to obtain sensitive information from the kernel's memory, potentially leading to further attacks or unauthorized access. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The Bluetooth memory leak vulnerability in the Linux Kernel can potentially expose sensitive information from the kernel's memory. It is crucial to update to the latest version of the Linux Kernel, specifically v5.10.111, to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is not yet proven. However, if successfully exploited, an attacker could potentially obtain sensitive information from the kernel's memory, leading to further attacks or unauthorized access.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. It analyzes your manifest file, such as package-lock.json, and alerts in real-time for open-source vulnerabilities.
No specific workaround has been provided for this vulnerability. It is recommended to update to the latest version of the Linux Kernel to address the issue.
You can find more information about the patch in the Linux Kernel's Git repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/. Look for the commit with the ID 9567d54e70ff58c2695c2cc2e53c86c67551d3e6.
This vulnerability was discovered by an automated process and reported in the Cloud Security Alliance's GSD database. The actual impact and attack plausibility have not been proven yet.
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