GSD-2022-1003244 f2fs: fix to do sanity check on total_data_blocks
A missing sanity check in the f2fs filesystem allows local attackers to cause a denial of service by triggering invalid total_data_blocks values.
- 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-2022-1003244?
GSD-2022-1003244 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
f2fs: fix to do sanity check on total_data_blocks
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 v5.15.46 by commit c9e4cd5b0ccd7168801d6a811919171b185c5cf8. For more details please see the references link.
Which versions are affected by GSD-2022-1003244?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003244?
No fix has been published for GSD-2022-1003244 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-2022-1003244 being exploited?
There is no known exploitation of GSD-2022-1003244 in the wild and no public exploit code.