GSD-2022-1003497 ext4: avoid cycles in directory h-tree
A flaw in the ext4 filesystem directory h-tree implementation can cause cycles, potentially leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1003497?
GSD-2022-1003497 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.
Official description
ext4: avoid cycles in directory h-tree
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 v5.10.121 by commit ff4cafa51762da3824881a9000ca421d4b78b138. For more details please see the references link.
Which versions are affected by GSD-2022-1003497?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003497?
No fix has been published for GSD-2022-1003497 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-2022-1003497 being exploited?
There is no known exploitation of GSD-2022-1003497 in the wild and no public exploit code.