Memory Leak Vulnerability in Linux Kernel: CVE-2023-53371
Summary
CVE-2023-53371: In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix memory leak in mlx5e_fs_tt_redirect_any_create The memory pointed to by the fs->any pointer is not freed in the error path of mlx5e_fs_tt... Affects linux versions < 6.1.52-1. Fixed in 6.1.52-1. How to fix ↓
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Background
The Linux kernel is the core component of many operating systems, providing essential services for hardware and software interaction. It is responsible for managing system resources, enabling communication between hardware and software, and ensuring system stability. The kernel is crucial for system performance and security, making it vital to address any vulnerabilities that may arise.
Vulnerability Detail
CVE-2023-53371 is a memory leak vulnerability found in the Linux kernel, specifically within the mlx5e network driver. The issue originates from the failure to free memory associated with the fs->any pointer during error handling in the mlx5e_fs_tt_redirect_any_create function. This oversight can lead to increased memory consumption over time, potentially exhausting system resources and degrading performance. The vulnerability has been resolved in the patched versions of the Linux kernel, ensuring that memory is properly managed in error scenarios.
How To Fix
Minimum fixed version
6.1.52-1
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
No specific workarounds have been provided for this vulnerability. The best course of action is to apply the available patches as soon as possible.
Conclusion
CVE-2023-53371 is a critical memory leak vulnerability in the Linux kernel that requires immediate attention. By updating to the patched versions, users can ensure their systems remain secure and performant. Regular monitoring for vulnerabilities using tools like Vulert can help maintain system integrity.
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FAQ
CVE-2023-53371 is a memory leak vulnerability in the Linux kernel that affects the mlx5e network driver.
This vulnerability can lead to increased memory usage, potentially exhausting system resources and affecting performance.
You can check if your application is affected by using the Vulert playground at Vulert Scanner without any signup.
While there are no specific workarounds, it is recommended to prioritize applying the patches as soon as possible to mitigate the risk.
More information can be found in the official CVE database or by reviewing the Linux kernel changelogs related to the fix.
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