CVE-2025-40125

In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject stateinsysfs before deleting in blkmqunregisterhctx In blkmqupdatenrhwqueues the return value of blkmqsysfsregisterhctxs is not checked. If sysfs creation for hctx fails, later changing the number of hwqueue...

CVE-2025-40125

CVE-2025-40125 : In the Linux kernel blk-mq subsystem, kobject deletion can race with sysfs setup. If sysfs creation for an hctx fails, the code may call kobject_del unconditionally, leading to a warning during nr_hw_queues changes or disk removal. The root cause is not checking the kobject creat...