Memory Leak Vulnerability in Linux Kernel - CVE-2025-37980
Summary
CVE-2025-37980: In the Linux kernel, the following vulnerability has been resolved: block: fix resource leak in blk_register_queue() error path When registering a queue fails after blk_mq_sysfs_register() is successful but the function... 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 the core component of many operating systems, providing essential services for hardware and software interaction. It is known for its stability, performance, and security features. However, like any complex software, it is susceptible to vulnerabilities that can affect its operation. CVE-2025-37980 specifically addresses a resource leak issue that arises during the registration of block queues, which can lead to memory inefficiencies.
Vulnerability Detail
CVE-2025-37980 is a vulnerability in the Linux kernel that occurs when registering a block queue fails after the successful execution of the blk_mq_sysfs_register() function. If an error is encountered later in the process, the kernel fails to clean up the associated blk_mq_sysfs resources, resulting in a memory leak. This issue can lead to increased memory consumption over time, potentially degrading system performance and stability.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
Currently, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the patch as soon as it becomes available.
Conclusion
CVE-2025-37980 is a significant vulnerability in the Linux kernel that can lead to memory leaks if not addressed. Users are encouraged to update their systems to the patched version to ensure optimal performance and security. Regular monitoring and updates are essential for maintaining system integrity.
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FAQ
CVE-2025-37980 is a vulnerability in the Linux kernel that causes a memory leak when registering block queues.
It can lead to increased memory usage over time, potentially affecting system performance and stability.
Yes, a patched version is available for Debian 13, specifically version 6.12.25-1.
You can use tools like Vulert to monitor and alert for open-source vulnerabilities in your software without requiring access to the code.
While there are no specific workarounds, it is crucial to monitor your system's memory usage and apply the patch as soon as possible.
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