Vulnerability in Kernel Package: usb: dwc3: gadget: Replace list_for_each_entry_safe() if using giveback
Summary
GSD-2022-1002984: usb: dwc3: gadget: Replace list_for_each_entry_safe() if using giveback. Affects Kernel versions >= d4f1afe5e896c18ae01099a85dab5e1a198bd2a8, < 2424307cdf421ac72075a1384eae4e4199ab6457. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware, software, and user applications. The usb: dwc3: gadget module within the Kernel package is specifically designed for USB device controller drivers. It enables the system to act as a USB gadget, allowing it to function as a peripheral device when connected to a host system. This vulnerability affects the usb: dwc3: gadget module and can potentially be exploited by an attacker.
Vulnerability Detail
The vulnerability in the usb: dwc3: gadget module arises from the use of list_for_each_entry_safe() when using giveback. This function is used to iterate over a linked list of data structures, but it can lead to a use-after-free vulnerability if not used correctly. An attacker could potentially exploit this vulnerability to execute arbitrary code or escalate privileges on a vulnerable system. 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. It is advised to apply the recommended fix by updating the Kernel package to the latest version.
Conclusion
In conclusion, the Kernel package's usb: dwc3: gadget module is vulnerable to a use-after-free vulnerability. It is crucial to update the Kernel package to the latest version to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality.
The usb: dwc3: gadget module is a part of the Kernel package that enables the system to function as a USB gadget, allowing it to act as a peripheral device when connected to a host system.
list_for_each_entry_safe() is a function used in the Kernel package to iterate over a linked list of data structures safely.
If exploited, this vulnerability could allow an attacker to execute arbitrary code or escalate privileges on a vulnerable system.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v5.17.15 or later.
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