Memory Leak Vulnerability in Linux Kernel: linux Package Affected
Summary
DEBIAN-CVE-2023-53430: In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: dma: fix memory leak running mt76_dma_tx_cleanup Fix device unregister memory leak and alway cleanup all configured rx queues in mt76_dma_tx... Affects linux versions < 6.3.7-1. Fixed in 6.3.7-1. How to fix ↓
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Background
The linux package is a core component of the Debian operating system, providing the essential kernel that manages system resources and hardware communication. It is responsible for facilitating the execution of applications and ensuring system stability. The linux kernel is widely used across various distributions and is critical for system performance and security. This vulnerability specifically impacts the memory management functionality within the kernel, which can lead to resource exhaustion and degraded system performance.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the mt76 driver related to memory management. Specifically, the issue arises during the execution of the mt76_dma_tx_cleanup routine, where a memory leak occurs if the device is unregistered without properly cleaning up all configured receive queues. This can lead to increased memory consumption over time, potentially exhausting system resources and causing instability. The vulnerability has been cataloged as DEBIAN-CVE-2023-53430 and affects both Debian 13 and 14 versions of the linux package.
How To Fix
Minimum fixed version
6.3.7-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the patch by updating to the fixed version of the linux package.
Conclusion
The vulnerability identified as DEBIAN-CVE-2023-53430 in the Linux kernel poses a significant risk due to memory leaks that can affect system stability. It is crucial for users of Debian 13 and 14 to update their linux package to version 6.3.7-1 to ensure their systems are secure. Regular monitoring and timely updates are essential for maintaining system integrity.
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FAQ
DEBIAN-CVE-2023-53430 is the identifier for a specific vulnerability in the Linux kernel related to memory management, which can lead to memory leaks.
This vulnerability can lead to increased memory usage, potentially exhausting system resources and causing performance degradation or instability.
If you are using Debian 13 or 14 with the linux package version prior to 6.3.7-1, your system may be vulnerable to this issue.
You can use Vulert, which monitors open-source vulnerabilities in your software. By using the Vulert playground, you can check if your application is affected by this vulnerability without any signup.
While there are no specific workarounds, it is advisable to monitor your system's memory usage and apply the update as soon as possible to mitigate the risk.
References
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