Uninitialized Value Vulnerability in rtl8712 Package
Summary
GSD-2022-1002541: staging: rtl8712: fix uninit-value in usb_read8() and friends. Affects Kernel versions < de075af8c404f7d59ed34df230aedd9f645fb846. No fix is published. How to fix ↓
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Background
The rtl8712 package is a staging driver in the Linux Kernel that provides support for Realtek RTL8712U Wireless LAN 802.11n USB 2.0 Network Adapter. It is responsible for managing the communication between the adapter and the operating system. This package is widely used in Linux systems to enable wireless network connectivity. However, a vulnerability has been discovered in the rtl8712 package that can lead to uninitialized values in the usb_read8() and related functions.
Vulnerability Detail
The vulnerability in the rtl8712 package arises from uninitialized values in the usb_read8() and related functions. This can potentially result in unpredictable behavior and security issues. An attacker may be able to exploit this vulnerability to manipulate the values read from the USB device, leading to information disclosure, privilege escalation, or denial of service. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.18.4 or later. The fix for this issue was implemented in commit de075af8c404f7d59ed34df230aedd9f645fb846. Updating the Kernel will ensure that the uninitialized value issue in the rtl8712 package is resolved.
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Workaround
There is no specific workaround mentioned for this vulnerability. It is advised to apply the fix by updating the Linux Kernel to the recommended version.
Conclusion
In conclusion, the rtl8712 package in the Linux Kernel is vulnerable to an uninitialized value issue in the usb_read8() and related functions. This vulnerability can have various security implications, and it is crucial to update the Kernel to version v5.18.4 or later to address this issue. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can vary depending on the specific exploitation scenario. It could potentially lead to information disclosure, privilege escalation, or denial of service.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it in real-time.
As of now, there is no known exploit for this vulnerability. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
The exact attack vector and remote exploitability of this vulnerability have not been determined yet. It is advisable to update the Linux Kernel to the fixed version to minimize the risk of exploitation.
The vulnerability specifically affects the rtl8712 package in the Linux Kernel. However, it is always recommended to keep all software components up to date to ensure overall system security.
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