GSD-2022-1002572 bcache: avoid journal no-space deadlock by reserving 1 journal bucket
A deadlock in the bcache journal can cause a denial of service, requiring a kernel patch to reserve journal space.
- 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-2022-1002572?
GSD-2022-1002572 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bcache: avoid journal no-space deadlock by reserving 1 journal bucket
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 v5.18.3 by commit 1dda32aed6f62c163f38ff947ef5b3360e329159. For more details please see the references link.
Which versions are affected by GSD-2022-1002572?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002572?
No fix has been published for GSD-2022-1002572 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-2022-1002572 being exploited?
There is no known exploitation of GSD-2022-1002572 in the wild and no public exploit code.