The Linux kernel was found vulnerable to a NULL pointer dereference in the drivers/net/phy/mdio-bcm-unimac.c:unimac_mdio_probe() function caused by an unchecked return value from the platform_get_resource() function. A successful flaw exploitation can cause a system panic and a denial of service. This flaw is believed not to be an attacker triggerable as bad return value can be caused by hardware misconfiguration.
An upstream fix:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1554200]
kernel-4.15.9-200.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.