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Change History

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

usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend

In current scenario if Plug-out and Plug-In performed continuously
there could be a chance while checking for dwc->gadget_driver in
dwc3_gadget_suspend, a NULL pointer dereference may occur.

Call Stack:

	CPU1:                           CPU2:
	gadget_unbind_driver            dwc3_suspend_common
	dwc3_gadget_stop                dwc3_gadget_suspend
         

kernel.org https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182 [No types assigned]

kernel.org https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751 [No types assigned]

kernel.org https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316 [No types assigned]

kernel.org https://git.kernel.org/stable/c/88936ceab6b426f1312327e9ef849c215c6007a7 [No types assigned]

kernel.org https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b [No types assigned]