GSD-2022-1000811 io_uring: add a schedule point in io_add_buffers()
A missing schedule point in the Linux kernel io_uring subsystem can cause system hangs or 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-2022-1000811?
GSD-2022-1000811 is a denial of service vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io_uring: add a schedule point in io_add_buffers()
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 v5.15.26 by commit c718ea4e7382e18957ed0e88a5f855e2122d9c00, it was introduced in version v5.7 by commit ddf0322db79c5984dc1a1db890f946dd19b7d6d9. For more details please see the references link.
Which versions are affected by GSD-2022-1000811?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000811?
No fix has been published for GSD-2022-1000811 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-2022-1000811 being exploited?
There is no known exploitation of GSD-2022-1000811 in the wild and no public exploit code.