Vulnerability in Kernel: usb: host: ohci-tmio
Summary
GSD-2021-1002268: usb: host: ohci-tmio: check return value after calling platform_get_resource(). Affects Kernel versions < f98986b7acb4219f95789095eced93ed69d81d35. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionalities for various devices, including USB hosts. The ohci-tmio driver is specifically designed for the Toshiba Mobile IO Controller, which enables USB functionality on Toshiba devices. However, a vulnerability has been identified in the ohci-tmio driver that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in the ohci-tmio driver arises from a failure to check the return value after calling platform_get_resource(). This oversight could lead to various security issues, although the exact impact and attack plausibility have not been proven yet. The vulnerability has been assigned the ID GSD-2021-1002268 and is fixed in Linux Kernel version v5.4.162 by commit f98986b7acb4219f95789095eced93ed69d81d35. It is crucial to update to this version or a later one to mitigate the vulnerability.
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. However, it is important to note that applying the recommended fix by updating the Linux Kernel is the most effective way to address the issue.
Conclusion
In conclusion, the vulnerability in the Kernel's ohci-tmio driver poses potential security risks that could be exploited by attackers. It is crucial to update the Linux Kernel to version v5.4.162 or a newer release to address this vulnerability. Regularly applying security patches and updates is essential to maintain a secure system. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The exact impact of this vulnerability is yet to be determined. However, it has the potential to be exploited by attackers, leading to potential security breaches or unauthorized access to the system.
You can use Vulert's 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 in real-time to identify any open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version as soon as possible.
At the time of this report, no known exploits for this vulnerability have been identified. However, it is crucial to apply the recommended fix promptly to mitigate any potential risks.
You can find more information about this vulnerability, including the fix commit and relevant references, in the vulnerability database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1002xxx/GSD-2021-1002268.json.
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