An issue was discovered in get_vdev_port_node_info in arch/sparc/kernel/mdesc.c in the Linux kernel through 5.1.6. There is an unchecked kstrdup_const of node_info->vdev_port.name, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash).
https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg2014901.html
https://support.f5.com/csp/article/K60924046?utm_source=f5support&%3Butm_medium=RSS
https://support.f5.com/csp/article/K60924046