CVE-2023-24825 RIOT-OS vulnerable to NULL pointer dereference in gnrc_pktbuf_mark

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixe...