Deadlock Vulnerability in drivers: staging: rtl8192bs
Summary
GSD-2022-1002553: drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle(). Affects Kernel versions < eca9748d9267a38d532464e3305a38629e9c35a9. No fix is published. How to fix ↓
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Background
The drivers: staging: rtl8192bs package is a component of the Linux Kernel. It is responsible for managing the Realtek RTL8192BS wireless chipset. This package provides the necessary drivers and functionality for the chipset to communicate with the operating system and enable wireless network connectivity. However, a vulnerability has been discovered in the package that can lead to a deadlock situation.
Vulnerability Detail
The vulnerability, identified as GSD-2022-1002553, specifically affects the rtw_joinbss_event_prehandle() function in the rtl8192bs driver. The function is responsible for handling events related to joining a Basic Service Set (BSS) in a wireless network. Due to a coding error, a deadlock can occur in certain scenarios, leading to a system freeze or unresponsiveness. This vulnerability could be exploited by an attacker within range of the affected wireless network to cause a denial-of-service (DoS) condition.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround provided for this vulnerability. However, users can minimize the risk by ensuring that their wireless network is secured and not accessible to unauthorized individuals. Additionally, it is recommended to keep the system and all software up to date to mitigate potential security risks.
Conclusion
In conclusion, the drivers: staging: rtl8192bs package in the Linux Kernel is vulnerable to a deadlock issue in the rtw_joinbss_event_prehandle() function. This vulnerability can be mitigated by updating the kernel to version v5.18.4 or later. It is important to promptly apply security patches and updates to ensure the security and stability of the system. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can lead to a deadlock situation in the affected driver, causing the system to freeze or become unresponsive. This can result in a denial-of-service (DoS) condition.
An attacker within range of the affected wireless network can trigger the vulnerability by sending specially crafted network packets. This can lead to a deadlock situation and cause a DoS condition.
At the time of this report, there is no known public exploit for this vulnerability. However, it is always recommended to apply security patches and updates promptly to mitigate potential risks.
The vulnerability is present in versions of the Linux Kernel prior to v5.18.4. Users running older versions are advised to update to the latest stable release to address the issue.
For more details about this vulnerability, including the specific code changes that fix the issue, you can refer to the source link provided in the database_specific section of this report.
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