GSD-2023-1000744 configfs: fix possible memory leak in configfs_create_dir()
A memory leak in the Linux kernel configfs subsystem allows local attackers to cause denial of service by exhausting system memory.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000744?
GSD-2023-1000744 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
configfs: fix possible memory leak in configfs_create_dir()
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 v6.0.16 by commit 8bc77754224a2c8581727ffe2e958119b4e27c8f, it was introduced in version v2.6.16 by commit 7063fbf2261194f72ee75afca67b3b38b554b5fa. For more details please see the references link.
Which versions are affected by GSD-2023-1000744?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000744?
No fix has been published for GSD-2023-1000744 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000744 being exploited?
There is no known exploitation of GSD-2023-1000744 in the wild and no public exploit code.