USB Gadget Vulnerability in Linux Kernel
Summary
GSD-2022-1000903: usb: gadget: clear related members when goto fail. Affects Kernel versions < 6b432b7b5a77e8bfd041da0ba00c98fa31097c4e. No fix is published. How to fix ↓
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Background
The Linux Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for applications to interact with the hardware. USB gadget is a feature in the Linux Kernel that allows the system to act as a USB device, enabling functionalities such as USB tethering, USB storage, and USB audio. This vulnerability affects the USB gadget functionality in the Linux Kernel.
Vulnerability Detail
The vulnerability in the USB gadget functionality arises from a failure to clear related members when encountering a 'goto fail' condition. This flaw could potentially be exploited by an attacker to execute arbitrary code or cause a denial-of-service (DoS) 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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Workaround
There is no specific workaround mentioned for this vulnerability. However, as a general best practice, it is always recommended to keep the software and operating system up to date with the latest security patches.
Conclusion
The USB gadget vulnerability in the Linux Kernel can potentially allow an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition. It is crucial to update the Linux Kernel to version v4.19.233 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial-of-service (DoS) condition.
You can use the Vulert Playground at Vulert Scanner to check if your Linux Kernel is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this USB gadget vulnerability.
As of now, there is no known exploit for this vulnerability. However, it is always recommended to apply security patches and updates to mitigate any potential risks.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to the internet. It is crucial to update the Linux Kernel to the latest version to protect against remote exploitation.
There are no specific prerequisites mentioned for exploiting this vulnerability. However, an attacker would require access to the affected system or network to exploit this vulnerability.
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