GSD-2022-1004008 dm stats: add cond_resched when looping over entries
A missing scheduling call in the Linux kernel device-mapper stats loop can cause system hangs, requiring a kernel patch.
- 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-2022-1004008?
GSD-2022-1004008 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
dm stats: add cond_resched when looping over entries
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 v4.14.282 by commit 1dbcb821c63d09dc4a641bf99bb05f238610717f. For more details please see the references link.
Which versions are affected by GSD-2022-1004008?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004008?
No fix has been published for GSD-2022-1004008 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-2022-1004008 being exploited?
There is no known exploitation of GSD-2022-1004008 in the wild and no public exploit code.