GSD-2023-1001865 mm: multi-gen LRU: fix crash during cgroup migration

Not scored Published

A crash in the Linux kernel's multi-gen LRU during cgroup migration can cause a denial of service.

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-2023-1001865?

GSD-2023-1001865 is a denial of service vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mm: multi-gen LRU: fix crash during cgroup migration

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 v6.1.11 by commit 04448022311cebd30969d3aebdde765f1258b360, it was introduced in version v6.1 by commit bd74fdaea146029e4fa12c6de89adbe0779348a9. For more details please see the references link.

Which versions are affected by GSD-2023-1001865?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1001865?

No fix has been published for GSD-2023-1001865 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is GSD-2023-1001865 being exploited?

There is no known exploitation of GSD-2023-1001865 in the wild and no public exploit code.

Sources

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