GSD-2023-1002026 f2fs: fix to do sanity check on i_extra_isize in is_alive()
A missing sanity check in the f2fs filesystem allows local attackers to cause a denial of service via crafted disk images.
- 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-2023-1002026?
GSD-2023-1002026 is a vulnerability in Kernel, published on 13 Feb 2023. 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 i_extra_isize in is_alive()
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 v5.15.93 by commit 97ccfffcc061e54ce87e4a51a40e2e9cb0b7076a. For more details please see the references link.
Which versions are affected by GSD-2023-1002026?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002026?
No fix has been published for GSD-2023-1002026 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002026 being exploited?
There is no known exploitation of GSD-2023-1002026 in the wild and no public exploit code.