Vulnerability in Kernel: usb: dwc2: gadget: don't reset gadget's driver->bus
Summary
GSD-2022-1003941: usb: dwc2: gadget: don't reset gadget's driver->bus. Affects Kernel versions < efb15ff4a77fe053c941281775fefa91c87770e0. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system. The usb-dwc2 module within the Kernel is responsible for handling USB gadget functionality, allowing devices to act as USB peripherals. However, a vulnerability has been discovered in the usb-dwc2 gadget driver that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in the usb-dwc2 gadget driver involves a reset operation that affects the driver's bus. This reset operation can be exploited by malicious actors to manipulate the driver's behavior and potentially gain unauthorized access or perform other malicious activities. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to mitigate any potential risks.
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. However, applying the recommended fix by updating the Kernel to the latest version will effectively address the issue.
Conclusion
The vulnerability in the usb-dwc2 gadget driver can be addressed by updating the Linux Kernel to version v4.14.283 or later. This will prevent the reset operation that can be exploited by malicious actors. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel is a critical component of the Linux operating system that acts as a bridge between the hardware and software layers. It provides essential functionalities and services to enable the proper functioning of the system.
The usb-dwc2 gadget driver is a module within the Kernel that handles USB gadget functionality. It allows devices to act as USB peripherals.
The impact of this vulnerability is not yet proven, but it could potentially lead to security issues and unauthorized access if exploited by malicious actors.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.14.283 or later. This fix is implemented in commit efb15ff4a77fe053c941281775fefa91c87770e0.
There is no specific workaround mentioned for this vulnerability. However, updating the Kernel to the latest version will effectively address the issue.
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