GSD-2022-1002926 ext4: avoid cycles in directory h-tree
A flaw in the ext4 filesystem directory h-tree implementation can cause cycles, potentially leading to 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-2022-1002926?
GSD-2022-1002926 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 v5.17.14 by commit d5a16a6df2c16eaf4de04948553ef0089dee463f. For more details please see the references link.
Which versions are affected by GSD-2022-1002926?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002926?
No fix has been published for GSD-2022-1002926 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-2022-1002926 being exploited?
There is no known exploitation of GSD-2022-1002926 in the wild and no public exploit code.