GSD-2023-1000438 ext4: fix off-by-one errors in fast-commit block filling
Off-by-one errors in ext4 fast-commit block filling may cause memory corruption or undefined behavior in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Local or same network only
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2023-1000438?
GSD-2023-1000438 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network.
Official description
ext4: fix off-by-one errors in fast-commit block filling
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 v6.0.18 by commit 5ca65dffdead16572ca046c43fb576b227f7f635, it was introduced in version v5.10 by commit aa75f4d3daaeb1389b9cce9d6b84401eaf228d4e. For more details please see the references link.
Which versions are affected by GSD-2023-1000438?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000438?
No fix has been published for GSD-2023-1000438 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000438 being exploited?
There is no known exploitation of GSD-2023-1000438 in the wild and no public exploit code.