GSD-2022-1003004 ftrace: Clean up hash direct_functions on register failures

Not scored Published

A memory corruption issue in the Linux kernel ftrace subsystem could allow local attackers to cause denial of service or escalate privileges.

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-2022-1003004?

GSD-2022-1003004 is a memory corruption vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

ftrace: Clean up hash direct_functions on register failures

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 v5.17.14 by commit 805e87af946d8d2954171361e64d143ff37a441b, it was introduced in version v5.5 by commit 763e34e74bb7d5c316015e2e39fcc8520bfd071c. For more details please see the references link.

Which versions are affected by GSD-2022-1003004?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1003004?

No fix has been published for GSD-2022-1003004 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-2022-1003004 being exploited?

There is no known exploitation of GSD-2022-1003004 in the wild and no public exploit code.

Sources

Is GSD-2022-1003004 in your software?

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

Check your SBOMs for free