CVE-2026-43250

CVE-2026-43250 affects the Linux kernel ChipIdea USB Device Controller (UDC) driver. The vulnerability arises when a USB device is reconnected during an active transfer, because _ep_nuke() returns requests without unmapping DMA buffers or cleaning bounce buffers, leaving stale DMA state (num_mapp...

The vulnerability in the driver/modules/usb/chipidea/udc.c module of Linux operating systems allows a hacker to cause a service failure.

The vulnerability in the drivers/usb/chipidea/udc.c module of Linux operating systems is related to incorrect operation of the USB interface. This occurs regardless of whether the USB device controller is disabled, due to improper locking of resources. Exploiting this vulnerability can allow an...