GSD-2023-1000434 ext4: fix deadlock due to mbcache entry corruption

Not scored Published

A race condition in the ext4 filesystem can cause a deadlock, leading to denial of service for local attackers.

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-2023-1000434?

GSD-2023-1000434 is a 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

ext4: fix deadlock due to mbcache entry corruption

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 v6.0.18 by commit 127b80cefb941a81255c72f11081123f3a705369, it was introduced in version v4.6 by commit 6048c64b26097a0ffbd966866b599f990e674e9b. For more details please see the references link.

Which versions are affected by GSD-2023-1000434?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1000434?

No fix has been published for GSD-2023-1000434 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1000434 being exploited?

There is no known exploitation of GSD-2023-1000434 in the wild and no public exploit code.

Sources

Is GSD-2023-1000434 in your software?

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

Check your SBOMs for free