In the Linux kernel, the following vulnerability has been resolved:

USB: idmouse: fix use-after-free on disconnect race

mutex_unlock() may access the mutex structure after releasing the lock
and therefore cannot be used to manage lifetime of objects directly
(unlike spinlocks and refcounts). [1][2]

Use a kref to release the driver data to avoid use-after-free in
mutex_unlock() when release() races with disconnect().

[1] a51749ab34d9 ("locking/mutex: Document that mutex_unlock() is
                   non-atomic")
[2] 2b9d9e0a9ba0 ("locking/mutex: Clarify that mutex_unlock(), and most
                   other sleeping locks, can still use the lock object
                   after it's unlocked")

https://git.kernel.org/stable/c/31e75fed8f90cfea9f8285e7ed135b0e452bf872

https://git.kernel.org/stable/c/54c2b7356b4aeea467f9fb13b85e9e036bc428cb

https://git.kernel.org/stable/c/60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09

https://git.kernel.org/stable/c/8d53b14ad4ccbff6d306b3a39c812303f4a87d41

https://git.kernel.org/stable/c/d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4

https://git.kernel.org/stable/c/e88cff5fbaa629f3cab45c8b46f395d62c2eb515

https://git.kernel.org/stable/c/f62622e947f82a3854a8502d09492ffbdeb252b4

https://git.kernel.org/stable/c/ff002c153f9722caece3983cc23dc4d9d4652cb4

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