CVE-2023-52781 usb: config: fix iteration issue in 'usb_get_bos_descriptor()'

In the Linux kernel, the following vulnerability has been resolved: usb: config: fix iteration issue in 'usbgetbosdescriptor' The BOS descriptor defines a root descriptor and is the base descriptor for accessing a family of related descriptors. Function 'usbgetbosdescriptor' encounters an iterati...

CVE-2023-52781

CVE-2023-52781 concerns the Linux kernel USB config BOS descriptor handling. In usb_get_bos_descriptor(), an iteration issue occurs when skipping USB_DT_DEVICE_CAPABILITY, causing the same descriptor to be read repeatedly. The fix introduces a goto to advance the pointer and bytes read so the fun...