USB Gadget Panics on 10Gbps Cabling in Linux Kernel
Summary
GSD-2021-1000900: usb: fix various gadget panics on 10gbps cabling. Affects Kernel versions < 5ef23506695b01d5d56a13a092a97f2478069d75. No fix is published. How to fix ↓
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Background
The Linux Kernel is a widely used open-source operating system kernel that serves as the foundation for various Linux distributions. It provides essential functionality and interfaces for hardware devices, including USB gadgets. USB gadgets allow devices to act as USB peripherals, enabling functionalities such as USB tethering, file transfer, and network connectivity. However, a vulnerability has been identified in the Linux Kernel related to USB gadgets when using 10Gbps cabling.
Vulnerability Detail
The vulnerability in the Linux Kernel affects USB gadgets when connected via 10Gbps cabling. It can lead to various panics, causing system instability and potential denial-of-service conditions. The exact attack plausibility and impact are yet to be proven. This vulnerability has been addressed in the Linux Kernel version v5.4.126 by commit 5ef23506695b01d5d56a13a092a97f2478069d75.
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 gadget vulnerability in the Linux Kernel when using 10Gbps cabling can result in system instability and potential denial-of-service conditions. It is recommended to update the Linux Kernel to version v5.4.126 or later to address this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to system instability and potential denial-of-service conditions when using USB gadgets with 10Gbps cabling.
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 to the playground, and it will alert you in real-time if the vulnerability is present.
The actual attack plausibility of this vulnerability has not yet been proven. However, it is important to apply the fix to ensure system security.
Updating the kernel to the fixed version is the recommended solution. However, if updating is not feasible, it is advisable to follow general security best practices, such as restricting physical access to USB ports and using trusted USB devices.
There are no known instances of this vulnerability being exploited at the time of this report. However, it is crucial to apply the fix to mitigate potential risks.
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