USB mtu3 List Head Check Warning in Linux Kernel
Summary
GSD-2022-1000046: usb: mtu3: fix list_head check warning. Affects Kernel versions >= 83374e035b6286731c5aa617844c7b724294c2a7, < 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295. 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 functionality and interfaces for various hardware devices and software components. The USB subsystem in the Linux Kernel enables communication with USB devices. The mtu3 driver is responsible for managing USB functionality on certain MediaTek platforms. It allows devices to connect and interact with the system via USB.
However, a vulnerability has been discovered in the mtu3 driver that can lead to a list_head check warning. This warning indicates a potential issue with the handling of linked lists in the driver's code. If exploited, this vulnerability could result in various security risks, such as memory corruption or system crashes.
Vulnerability Detail
The vulnerability in the mtu3 driver arises from a list_head check warning. Specifically, the driver fails to properly validate the integrity of linked lists, which can lead to unexpected behavior and potential security vulnerabilities. Attackers may be able to exploit this weakness to manipulate the linked lists and trigger memory corruption or system crashes.
The vulnerability was introduced in version v5.2 of the Linux Kernel by commit 83374e035b6286731c5aa617844c7b724294c2a7. However, it has been fixed in version v5.10.90 by commit 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is crucial to update the Linux Kernel to the fixed version or apply the provided patch to ensure the security and stability of the system.
Conclusion
The USB mtu3 list_head check warning vulnerability in the Linux Kernel can pose significant security risks if left unaddressed. It is crucial to update the Kernel to version v5.10.90 or later, or apply the provided patch, to mitigate the vulnerability. Failure to do so may result in memory corruption, system crashes, or potential unauthorized access. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
If exploited, this vulnerability can lead to memory corruption or system crashes, potentially allowing attackers to gain unauthorized access or disrupt the system's functionality.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any open-source vulnerabilities, including this one.
There are no known instances of this vulnerability being exploited in the wild. However, it is essential to apply the necessary updates or patches to mitigate the risk.
Yes, you can manually apply the provided patch (commit 3b6efe0b7ba03cc2acf0694b46d6ff33c5b4c295) to your existing Kernel version. However, it is generally recommended to update the entire Kernel to the fixed version for comprehensive security improvements.
You can find more information about this vulnerability in the official Linux Kernel repository and the vulnerability database maintained by the Cloud Security Alliance. The vulnerability ID is GSD-2022-1000046.
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