CVE-2026-43032

A flaw was found in the Linux kernel's Near Field Communication NFC pn533 driver. A local attacker could exploit this vulnerability by sending a continuous stream of malformed Universal Asynchronous Receiver-Transmitter UART traffic. This improper handling of incoming data leads to an unbounded...

CVE-2026-43032 NFC: pn533: bound the UART receive buffer

In the Linux kernel, the following vulnerability has been resolved: NFC: pn533: bound the UART receive buffer pn532receivebuf appends every incoming byte to dev-recvskb and only resets the buffer after pn532uartrxisframe recognizes a complete frame. A continuous stream of bytes without a valid...