usb: max-3421: Prevent corruption of freed memory in Kernel
Summary
GSD-2021-1001238: usb: max-3421: Prevent corruption of freed memory. Affects Kernel versions >= 2d53139f31626bad6f8983d8e519ddde2cbba921, < 7af54a4e221e5619a87714567e2258445dc35435. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that manages system resources and facilitates communication between hardware and software. It provides essential functionalities and services for the proper functioning of the system. The USB subsystem in the Kernel handles USB devices and their interactions with the system. It allows users to connect and use various USB devices such as keyboards, mice, storage devices, and more.
Vulnerability Detail
The vulnerability identified as usb: max-3421 can lead to the corruption of freed memory. When certain USB operations are performed, there is a possibility of accessing memory that has already been freed. This can result in memory corruption, leading to unexpected behavior, crashes, or potential security vulnerabilities. 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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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
The usb: max-3421 vulnerability in the Kernel can lead to the corruption of freed memory, potentially causing unexpected behavior or security vulnerabilities. It is crucial to update the Linux Kernel to version v5.10.54 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific system and usage. It can potentially lead to memory corruption, which may result in unexpected behavior, crashes, or even security vulnerabilities.
You can use tools like Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert Playground allows you to analyze your application's manifest file, such as package-lock.json, without requiring access to the code or installation.
As of now, there is no known exploit for this vulnerability. However, it is always recommended to apply security patches and updates to mitigate potential risks.
Yes, this vulnerability was introduced in Linux Kernel version v3.16 by commit 2d53139f31626bad6f8983d8e519ddde2cbba921. It is advisable to update to version v5.10.54 or later to fix the vulnerability.
You can refer to the vulnerability details in the Open Source Vulnerability format provided by the Cloud Security Alliance's GSD database. The source link is available at: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001238.json
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