GSD-2023-1001786 io_uring: lock overflowing for IOPOLL

Not scored Published

A race condition in the Linux kernel's io_uring IOPOLL implementation can lead to lock overflow, potentially causing a denial of service.

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

What is GSD-2023-1001786?

GSD-2023-1001786 is a vulnerability in Kernel, published on 31 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

io_uring: lock overflowing for IOPOLL

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 v5.10.165 by commit de77faee280163ff03b7ab64af6c9d779a43d4c4. For more details please see the references link.

Which versions are affected by GSD-2023-1001786?

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

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2023-1001786?

No fix has been published for GSD-2023-1001786 yet. Limit exposure of the affected software until one is available.

Is GSD-2023-1001786 being exploited?

There is no known exploitation of GSD-2023-1001786 in the wild and no public exploit code.

Sources

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