GSD-2021-1001523 drm/nouveau/debugfs: fix file release memory leak
A memory leak in the nouveau debugfs driver allows local attackers to cause a denial of service by exhausting kernel 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-2021-1001523?
GSD-2021-1001523 is a memory corruption vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/nouveau/debugfs: fix file release memory leak
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 v4.14.251 by commit 9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43, it was introduced in version v4.5 by commit 6e9fc177399f08446293fec7607913fdbc95e191. For more details please see the references link.
Which versions are affected by GSD-2021-1001523?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001523?
No fix has been published for GSD-2021-1001523 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-2021-1001523 being exploited?
There is no known exploitation of GSD-2021-1001523 in the wild and no public exploit code.