Resource Leak Issue in Linux Kernel Associated with Queue Registration

CVE-2025-37980

What is CVE-2025-37980?

A resource leak vulnerability exists within the Linux kernel during the queue registration process. Specifically, if the registration of a queue fails after a successful blk_mq_sysfs_register() call, the system fails to properly unregister certain resources, leading to a potential memory leak. The fix implements a necessary call to blk_mq_sysfs_unregister() during error handling, ensuring that any allocated resources are appropriately cleaned up, thus maintaining system stability and performance.

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