Resource Leak Vulnerability in Linux Kernel: linux Package Affected
Summary
DEBIAN-CVE-2024-53202: In the Linux kernel, the following vulnerability has been resolved: firmware_loader: Fix possible resource leak in fw_log_firmware_info() The alg instance should be released under the exception path, otherwise there may... Affects linux versions < 6.12.3-1. Fixed in 6.12.3-1. How to fix ↓
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Background
The linux package is a core component of the Debian operating system, providing the Linux kernel that manages system resources and hardware interactions. It is essential for system stability and performance, enabling various applications to run efficiently. The kernel is responsible for managing memory, processes, and device drivers, making it a critical element of the operating system. This vulnerability affects both Debian 13 and 14 versions, highlighting the importance of maintaining an updated kernel to ensure system security.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the firmware_loader component, specifically in the fw_log_firmware_info() function. This issue arises when the algorithm instance is not released properly during an exception, leading to a potential resource leak. If the kmalloc function fails, the alg instance should be freed using crypto_free_shash to prevent resource exhaustion. This vulnerability could lead to degraded system performance or crashes if not addressed.
How To Fix
Minimum fixed version
6.12.3-1
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 as described above.
Conclusion
The identified vulnerability in the Linux kernel's firmware_loader component poses a significant risk to system performance due to potential resource leaks. It is crucial for users of Debian 13 and 14 to update their linux package to the patched version 6.12.3-1 to ensure their systems remain secure and efficient.
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FAQ
The vulnerability is a resource leak in the Linux kernel's firmware_loader component, which can lead to system performance issues.
The vulnerability affects the linux package in both Debian 13 and 14 versions.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
You should update your linux package to version 6.12.3-1 to mitigate the vulnerability.
While the primary concern is resource leakage, it could potentially lead to system crashes, which may result in data loss if not addressed.
References
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