GSD-2022-1000911 configfs: fix a race in configfs_{,un}register_subsystem()

Not scored Published

A race condition in the Linux kernel configfs subsystem can lead to denial of service, requiring local privileged access to exploit.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1000911?

GSD-2022-1000911 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

configfs: fix a race in configfs_{,un}register_subsystem()

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 v4.19.232 by commit a37024f7757c25550accdebf49e497ad6ae239fe, it was introduced in version v2.6.16 by commit 7063fbf2261194f72ee75afca67b3b38b554b5fa. For more details please see the references link.

Which versions are affected by GSD-2022-1000911?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000911?

No fix has been published for GSD-2022-1000911 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1000911 being exploited?

There is no known exploitation of GSD-2022-1000911 in the wild and no public exploit code.

Sources

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