Vulnerability in Kernel: usb: dwc2: gadget: don't reset gadget's driver->bus
Summary
GSD-2022-1004030: usb: dwc2: gadget: don't reset gadget's driver->bus. Affects Kernel versions < 5127c0f365265bb69cd776ad6e4b872c309f3fa8. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionalities and acts as an interface between hardware and software. It manages system resources, facilitates communication between different components, and ensures the proper functioning of the system. The usb-dwc2 driver is responsible for handling USB gadget functionality, allowing devices to act as USB peripherals. However, a vulnerability has been discovered in the driver that can lead to potential security issues.
Vulnerability Detail
The vulnerability in the usb-dwc2 driver allows an attacker to reset the gadget's driver->bus, potentially leading to a denial-of-service (DoS) condition or other security exploits. By exploiting this vulnerability, an attacker could disrupt the normal operation of the USB gadget, causing system instability or even crashing the system. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to ensure the security and stability of the system.
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. It is advised to follow the recommended fix and update the Kernel to the latest version.
Conclusion
The vulnerability in the usb-dwc2 driver of the Kernel can potentially lead to security exploits and system instability. It is crucial to update the Kernel to the latest version to mitigate this vulnerability. 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 provides core functionalities and acts as an interface between hardware and software.
The usb-dwc2 driver is responsible for handling USB gadget functionality, allowing devices to act as USB peripherals.
The vulnerability can potentially lead to a denial-of-service (DoS) condition or other security exploits, disrupting the normal operation of the USB gadget and causing system instability.
No, the impact and attack plausibility of this vulnerability have not been proven yet.
To fix this vulnerability, update the Linux Kernel to version v4.9.318 or later, which includes the necessary fix for the usb-dwc2 driver.
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