GSD-2022-1000194 rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev

Not scored Published

A race condition in the Linux kernel rpmsg char driver allows local attackers to cause denial of service or potentially escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is GSD-2022-1000194?

GSD-2022-1000194 is a vulnerability in Kernel, published on 18 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev

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 v5.10.96 by commit 1dbb206730f3e5ce90014ad569ddf8167ec4124a, it was introduced in version v4.11 by commit c0cdc19f84a4712cf74888f83af286e3c2e14efd. For more details please see the references link.

Which versions are affected by GSD-2022-1000194?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1000194?

No fix has been published for GSD-2022-1000194 yet. Limit exposure of the affected software until one is available.

Is GSD-2022-1000194 being exploited?

There is no known exploitation of GSD-2022-1000194 in the wild and no public exploit code.

Sources

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