GSD-2021-1001941 net: mdiobus: Fix memory leak in __mdiobus_register

Not scored Published

A memory leak in the Linux kernel's MDIO bus registration can lead to resource exhaustion and denial of service.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
None listed

What is GSD-2021-1001941?

GSD-2021-1001941 is a memory corruption vulnerability in Kernel, published on 14 Nov 2021.

Official description

net: mdiobus: Fix memory leak in __mdiobus_register

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.288 by commit bc5f2f3431ced08300e4cb3aff35f1da14c26433. For more details please see the references link.

Which versions are affected by GSD-2021-1001941?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1001941?

No fix has been published for GSD-2021-1001941 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is GSD-2021-1001941 being exploited?

There is no known exploitation of GSD-2021-1001941 in the wild and no public exploit code.

Sources

Is GSD-2021-1001941 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free