Re: [PATCH v3] video: fbdev: smscufx: Fix use-after-free in ufx_ops_open()

2022-09-25 Thread Hyunwoo Kim
Thank you for your review. Best Regards, Hyunwoo Kim.

[PATCH v3] video: fbdev: smscufx: Fix use-after-free in ufx_ops_open()

2022-09-25 Thread Hyunwoo Kim
A race condition may occur if the user physically removes the USB device while calling open() for this device node. This is a race condition between the ufx_ops_open() function and the ufx_usb_disconnect() function, which may eventually result in UAF. So, add a mutex to the ufx_ops_open() and ufx

Re: [PATCH v3] video: fbdev: smscufx: Fix use-after-free in ufx_ops_open()

2022-09-25 Thread Helge Deller
On 9/25/22 15:32, Hyunwoo Kim wrote: A race condition may occur if the user physically removes the USB device while calling open() for this device node. This is a race condition between the ufx_ops_open() function and the ufx_usb_disconnect() function, which may eventually result in UAF. So, ad