Memory Leak Vulnerability in Linux Kernel's rtw_usb_probe Function
Summary
DEBIAN-CVE-2023-53460: In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: fix memory leak in rtw_usb_probe() drivers/net/wireless/realtek/rtw88/usb.c:876 rtw_usb_probe() warn: 'hw' from ieee80211_alloc_hw() not re... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
The Linux kernel is a core component of many operating systems, providing essential services for hardware management and system resources. The 'linux' package in Debian distributions is crucial for system stability and performance. This vulnerability affects the wireless driver for Realtek devices, specifically in the rtw_usb_probe function, which is responsible for initializing USB devices. The memory leak issue can lead to increased memory usage and potential system instability.
Vulnerability Detail
The vulnerability identified as CVE-2023-53460 arises from a memory leak in the rtw_usb_probe function located in the Realtek wireless driver. When the function is called, it allocates hardware resources using ieee80211_alloc_hw() but fails to release them under certain conditions, leading to a memory leak. This can result in degraded system performance and may eventually cause the system to run out of memory, impacting overall functionality.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds provided for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
The CVE-2023-53460 vulnerability in the Linux kernel's Realtek wireless driver poses a risk of memory leaks that can affect system performance. It is crucial to update to the patched version to ensure system stability and security. Regular monitoring for vulnerabilities using tools like Vulert can help maintain the integrity of your software.
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FAQ
CVE-2023-53460 is a vulnerability in the Linux kernel's Realtek wireless driver that causes a memory leak in the rtw_usb_probe function.
This vulnerability can lead to increased memory consumption, potentially causing system instability and performance degradation.
Yes, the patched version for Debian 13 and 14 is 6.3.7-1. It is recommended to update to this version to mitigate the vulnerability.
While there are no specific workarounds, it is advisable to monitor system performance and apply the patch as soon as possible.
You can use Vulert, which monitors open-source vulnerabilities in real-time. Visit Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
References
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