USB Host OHCI-TMIO Vulnerability in Linux Kernel
Summary
UVI-2021-1002294: usb: host: ohci-tmio: check return value after calling platform_get_resource(). Affects Kernel versions < 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100. 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 subsystem in the Linux Kernel enables communication with USB devices, allowing data transfer and device control. The OHCI-TMIO driver is responsible for supporting USB host functionality on certain Toshiba Multimedia Card Interface for OXU210 devices.
Vulnerability Detail
The vulnerability identified as UVI-2021-1002294 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. Attackers may exploit this vulnerability to execute arbitrary code, escalate privileges, or cause denial-of-service conditions. The vulnerability has been addressed in Linux Kernel version v5.10.82 through commit 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The USB Host OHCI-TMIO vulnerability in the Linux Kernel exposes systems to potential security risks. It is crucial to update the Linux Kernel to version v5.10.82 or later to mitigate this vulnerability. Regularly applying security patches and staying informed about potential vulnerabilities is essential for maintaining a secure system. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the attacker's capabilities and the specific system configuration. It could potentially lead to arbitrary code execution, privilege escalation, or denial-of-service conditions.
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 and the Vulert Playground will analyze it for known vulnerabilities, including UVI-2021-1002294.
Yes, the vulnerability has been fixed in Linux Kernel version v5.10.82 through commit 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100. It is recommended to update your Linux Kernel to this version or a later one.
At the time of this report, no known exploits for this vulnerability have been disclosed. However, it is important to apply the necessary updates and security patches to mitigate potential risks.
You can find more information about this vulnerability in the Open Source Vulnerability database maintained by the Cloud Security Alliance. The specific vulnerability entry can be accessed at: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/UVI-2021-1002294.json
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