Vulnerability in Kernel package: usb: dwc2: gadget: don't reset gadget's driver->bus
Summary
GSD-2022-1003203: usb: dwc2: gadget: don't reset gadget's driver->bus. Affects Kernel versions < 547ebdc200b862dff761ff4890f66d8217c33316. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware devices, including USB controllers. The dwc2 driver within the Kernel package handles USB gadget functionality, allowing devices to act as USB peripherals. However, a vulnerability has been discovered in the dwc2 driver that could potentially lead to security issues.
Vulnerability Detail
The vulnerability in the dwc2 driver of the Kernel package allows an attacker to reset the gadget's driver->bus, potentially leading to unauthorized access or denial of service. By exploiting this vulnerability, an attacker could gain control over the USB gadget and perform malicious actions. The impact of this vulnerability depends on the specific usage scenario and the privileges associated with the affected system. It is important to note that the actual impact and attack plausibility have not been proven yet.
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 apply the fix by updating the Kernel package to the recommended version.
Conclusion
In conclusion, a vulnerability has been identified in the Kernel package's dwc2 driver, which could potentially lead to unauthorized access or denial of service. It is crucial to update the Kernel package to version v5.15.47 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a fundamental component of the Linux operating system, responsible for managing core system functionality and providing interfaces for hardware devices.
The dwc2 driver is a component within the Kernel package that handles USB gadget functionality, allowing devices to act as USB peripherals.
The impact of this vulnerability depends on the specific usage scenario and the privileges associated with the affected system. It could potentially lead to unauthorized access or denial of service.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v5.15.47 or later.
There is no specific workaround mentioned for this vulnerability. It is advised to apply the fix by updating the Kernel package to the recommended version.
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