GSD-2022-1001146 btrfs: handle csum lookup errors properly on reads

Not scored Published

Improper handling of checksum lookup errors in the btrfs filesystem can lead to a denial of service condition.

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-2022-1001146?

GSD-2022-1001146 is a denial of service 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

btrfs: handle csum lookup errors properly on reads

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 v5.17.2 by commit 50658068dce91207a93300325d4831c3dd8f77b4. For more details please see the references link.

Which versions are affected by GSD-2022-1001146?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2022-1001146?

No fix has been published for GSD-2022-1001146 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-2022-1001146 being exploited?

There is no known exploitation of GSD-2022-1001146 in the wild and no public exploit code.

Sources

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