GSD-2022-1003698 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-2022-1003698?
GSD-2022-1003698 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 v5.4.198 by commit e157c8f87e8fac112d6c955e69a60cdb9bc80a60. For more details please see the references link.
Which versions are affected by GSD-2022-1003698?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003698?
No fix has been published for GSD-2022-1003698 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-2022-1003698 being exploited?
There is no known exploitation of GSD-2022-1003698 in the wild and no public exploit code.