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CVE-2025-37980 is a memory leak in the Linux kernel block subsystem's blk_register_queue() error path. If blk_mq_sysfs_register() succeeds but queue registration subsequently fails, the error handler does not release the allocated blk_mq_sysfs resources. The missing cleanup leaves kernel resources allocated. The fix adds a call to blk_mq_sysfs_unregister() on the affected error path.
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A Linux kernel resource leak caused by a missing blk_mq_sysfs_unregister() call in the blk_register_queue() error path. Failed queue registration can leave resources allocated, resulting in a memory leak. The advisory rates the vulnerability Medium, with a CVSS v3 base score of 5.5 and availability impact.
A Linux kernel resource leak caused by missing cleanup when blk_register_queue() fails after successful blk_mq_sysfs_register(). The fix adds blk_mq_sysfs_unregister() to the error path to prevent a memory leak. The plugin reports medium severity with a CVSS v3 base score of 5.5, indicating local access, low privileges, and high availability impact. The recommended remediation is to update the linux package and related packages to version 6.1.170-1 or later.
Linux kernel block layer vulnerability involving a resource leak in blk_register_queue() error handling.
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Cross-references every affected SKU, including bundled OEM variants.
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