USB Host OHCI-TMIO Vulnerability in Linux Kernel
Summary
UVI-2021-1002230: usb: host: ohci-tmio: check return value after calling platform_get_resource(). Affects Kernel versions < 2f18f97a1a787154a372c0738f1576f14b693d91. 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 kernel enables communication with USB devices. The OHCI-TMIO driver is responsible for managing USB host controllers on certain Toshiba Multimedia I/O (TMIO) platforms.
Vulnerability Detail
The vulnerability in the OHCI-TMIO driver arises from a failure to check the return value after calling the platform_get_resource() function. This oversight could potentially lead to various security issues. An attacker could exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The USB Host OHCI-TMIO vulnerability in the Linux Kernel poses potential security risks, including arbitrary code execution, privilege escalation, and denial-of-service attacks. It is crucial to update the Linux Kernel to version v4.9.291 or later to mitigate these risks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Linux Kernel is an 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 OHCI-TMIO driver is responsible for managing USB host controllers on certain Toshiba Multimedia I/O (TMIO) platforms within the Linux Kernel.
The impact of this vulnerability is currently unknown, as the actual attack plausibility and consequences have not been proven. However, potential risks include arbitrary code execution, privilege escalation, and denial-of-service attacks.
To fix this vulnerability, users should update their Linux Kernel to version v4.9.291 or later. Regularly updating the kernel is recommended to ensure the latest security patches are applied.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
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