Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v4.19.270

Description The issue is related to the pn533 usb send frame() function in the Linux Kernel's NFC subsystem, specifically the pn533 driver. It involves waiting for the completion of out urb in this function. The actual impact and potential for attack have not been proven yet.

Recommendations For Linux Kernel versions prior to v4.19.270, update to version v4.19.270 or later to resolve the issue.