The vulnerability of the usa49wg_indat_callback() function in the drivers/usb/serial/keyspan.c file of the Linux operating system’s USB device driver module allows a hacker to cause a service failure.

The vulnerability of the usa49wgindatcallback function in the drivers/usb/serial/keyspan.c file of the Linux device driver for USB devices is related to access to an uninitialized pointer. Exploiting this vulnerability could allow a attacker to cause a service failure...

EUVD-2026-45673

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspan: fix missing indat transfer sanity check Add the missing sanity check on the size of usa49wg indat transfers to avoid parsing stale or uninitialised slab data...