GSD-2023-1000955 mm, compaction: fix fast_isolate_around() to stay within boundaries

Not scored Published

A boundary error in the Linux kernel memory compaction code can lead to memory corruption, potentially causing system crashes or privilege escalation.

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

What is GSD-2023-1000955?

GSD-2023-1000955 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mm, compaction: fix fast_isolate_around() to stay within boundaries

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 v5.15.87 by commit 35d8a89862e69f743715613d4751a08094e6aa1c, it was introduced in version v5.12 by commit 6e2b7044c199229a3d20cefbd3184968238c4184. For more details please see the references link.

Which versions are affected by GSD-2023-1000955?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1000955?

No fix has been published for GSD-2023-1000955 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-2023-1000955 being exploited?

There is no known exploitation of GSD-2023-1000955 in the wild and no public exploit code.

Sources

Is GSD-2023-1000955 in your software?

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

Check your SBOMs for free