GSD-2022-1002425 lib/test: use after free in register_test_dev_kmod()

Not scored Published

A use-after-free flaw in the Linux kernel test module allows local attackers with high privileges to potentially execute code 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-2022-1002425?

GSD-2022-1002425 is an use after free vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

lib/test: use after free in register_test_dev_kmod()

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 v4.14.276 by commit fdf2c2e4ff14dab7648e7d4431e10c0c18df2ff8, it was introduced in version v4.13 by commit d9c6a72d6fa29d3a7999dda726577e5d1fccafa5. For more details please see the references link.

Which versions are affected by GSD-2022-1002425?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1002425?

No fix has been published for GSD-2022-1002425 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is GSD-2022-1002425 being exploited?

There is no known exploitation of GSD-2022-1002425 in the wild and no public exploit code.

Sources

Is GSD-2022-1002425 in your software?

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

Check your SBOMs for free