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Change History

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

wifi: rtw88: fix device leak on probe failure

Driver core holds a reference to the USB interface and its parent USB
device while the interface is bound to a driver and there is no need to
take additional references unless the structures are needed after
disconnect.

This driver takes a reference to the USB device during probe but does
not to release it on all probe errors (e.g. when descriptor parsing
fails).

Drop the redundant device reference to fix the leak, reduce cargo
culting, make it easier to spot drivers where an extra reference is
needed, and reduce the risk of further memory leaks.

https://git.kernel.org/stable/c/25a827b7e1d5747a255bdc757f1d3e9e1e8a4e2a

https://git.kernel.org/stable/c/89a9c1bc7d797120bcc290864e0cb10a440a677f

https://git.kernel.org/stable/c/a4f4371d194dfa5473cc961f86194084b1b13a69

https://git.kernel.org/stable/c/af7307e96dad00bcc2675dac650d8558a52f2c6f