USB Host OHCI-TMIO Vulnerability in Linux Kernel
Summary
UVI-2021-1002338: usb: host: ohci-tmio: check return value after calling platform_get_resource(). Affects Kernel versions < 065334f6640d074a1caec2f8b0091467a22f9483. 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 for hardware interaction, device drivers, and system resource management. The USB host subsystem within the Linux Kernel enables communication with USB devices. The OHCI-TMIO driver is responsible for managing USB host controllers on Toshiba Mobile IO (TMIO) platforms.
Vulnerability Detail
The vulnerability identified as UVI-2021-1002338 in the OHCI-TMIO driver of the Linux Kernel involves a failure to check the return value after calling the platform_get_resource() function. This oversight can lead to potential security vulnerabilities, although the exact impact and attack plausibility have not been proven. The vulnerability has been addressed in the Linux Kernel version v5.15.5 through commit 065334f6640d074a1caec2f8b0091467a22f9483.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The USB Host OHCI-TMIO vulnerability in the Linux Kernel poses potential security risks. It is crucial to update the Linux Kernel to version v5.15.5 or later to mitigate these risks. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The exact impact of this vulnerability is not yet proven. However, it has the potential to introduce security vulnerabilities in systems utilizing the OHCI-TMIO USB host driver.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities.
Yes, the vulnerability has been fixed in the Linux Kernel version v5.15.5 through commit 065334f6640d074a1caec2f8b0091467a22f9483. Updating to this version will address the vulnerability.
The recommended approach is to update the Linux Kernel to the fixed version. However, if updating is not immediately feasible, it is advisable to follow general security best practices such as restricting physical access to systems, implementing network-level security measures, and regularly monitoring for any suspicious activities.
You can refer to the vulnerability details in the Open Source Vulnerability format provided by the Cloud Security Alliance's GSD database. The details can be found at: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/UVI-2021-1002338.json
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