GSD-2022-1005809 ext4: check if directory block is within i_size
A missing size check in the ext4 filesystem allows local attackers to cause a denial of service by triggering invalid directory block access.
- 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-2022-1005809?
GSD-2022-1005809 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ext4: check if directory block is within i_size
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 v5.10.137 by commit 1571c4613059fce2a02508bb8206af75e24c0d58. For more details please see the references link.
Which versions are affected by GSD-2022-1005809?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005809?
No fix has been published for GSD-2022-1005809 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005809 being exploited?
There is no known exploitation of GSD-2022-1005809 in the wild and no public exploit code.