GSD-2022-1003845 ext4: avoid cycles in directory h-tree
A flaw in the ext4 filesystem directory h-tree implementation could lead to cycles, potentially causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1003845?
GSD-2022-1003845 is a denial of service vulnerability in Kernel, published on 28 Jun 2022.
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 v4.19.247 by commit b3ad9ff6f06c1dc6abf7437691c88ca3d6da3ac0. For more details please see the references link.
Which versions are affected by GSD-2022-1003845?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003845?
No fix has been published for GSD-2022-1003845 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-2022-1003845 being exploited?
There is no known exploitation of GSD-2022-1003845 in the wild and no public exploit code.