Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.198

Description The issue is related to the mdio bus init() function in the Linux Kernel. It was introduced in version v4.12 and fixed in version v5.4.198. The actual impact and attack plausibility have not yet been proven.

Recommendations For Linux Kernel versions prior to v5.4.198, update to version v5.4.198 or later to resolve the issue. As a temporary workaround, consider restricting access to the mdio bus init() function until a patch is available.