usb: max-3421: Prevent corruption of freed memory in Kernel
Summary
GSD-2021-1001362: usb: max-3421: Prevent corruption of freed memory. Affects Kernel versions >= 2d53139f31626bad6f8983d8e519ddde2cbba921, < 51fc12f4d37622fa0c481604833f98f11b1cac4f. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system that provides core functionalities and acts as a bridge between hardware and software. It manages system resources, facilitates communication between different software components, and ensures the stability and security of the system. The USB subsystem within the Kernel enables the use of USB devices and handles their interactions with the system. However, a vulnerability has been identified in the 'max-3421' USB driver, which can lead to the corruption of freed memory.
Vulnerability Detail
The vulnerability in the 'max-3421' USB driver can result in the corruption of freed memory. When certain operations are performed on USB devices using this driver, memory that has been previously freed may still be accessed, leading to potential memory corruption. This can have various consequences, including system instability, crashes, and 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. However, applying the recommended fix by updating the Linux Kernel to the latest version will address the issue.
Conclusion
In conclusion, the 'max-3421' USB driver in the Linux Kernel is vulnerable to the corruption of freed memory. This can lead to system instability, crashes, and potential security vulnerabilities. To mitigate this issue, it is crucial to update the Linux Kernel to version v4.19.199 or later. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability can include system instability, crashes, and potential security vulnerabilities. However, the exact consequences may vary depending on the specific usage and configuration of the affected system.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your manifest file (e.g., package-lock.json) to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
As of now, there is no known exploit for this vulnerability. However, it is important to apply the recommended fix to mitigate any potential risks.
No, not all versions of the Linux Kernel are affected. This vulnerability was introduced in version v3.16 by commit 2d53139f31626bad6f8983d8e519ddde2cbba921 and fixed in version v4.19.199 by commit 51fc12f4d37622fa0c481604833f98f11b1cac4f. It is recommended to update to the fixed version or a later version to ensure the vulnerability is addressed.
You can find more information about this vulnerability in the Open Source Vulnerability Database maintained by the Cloud Security Alliance. The specific vulnerability ID is GSD-2021-1001362, and the details can be accessed at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1001xxx/GSD-2021-1001362.json.
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