GSD-2021-1002031 misc: fastrpc: Add missing lock before accessing find_vma()

Not scored Published

A missing lock in the Linux Kernel fastrpc driver allows a race condition during memory access, potentially causing a system crash.

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-2021-1002031?

GSD-2021-1002031 is a vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

misc: fastrpc: Add missing lock before accessing find_vma()

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 v5.10.75 by commit 86e3ad8b759d1152d69442a4bb36cfa65448c9e7, it was introduced in version v5.2 by commit 80f3afd72bd4149c57daf852905476b43bb47647. For more details please see the references link.

Which versions are affected by GSD-2021-1002031?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1002031?

No fix has been published for GSD-2021-1002031 yet. Limit exposure of the affected software until one is available.

Is GSD-2021-1002031 being exploited?

There is no known exploitation of GSD-2021-1002031 in the wild and no public exploit code.

Sources

Is GSD-2021-1002031 in your software?

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

Check your SBOMs for free