GSD-2021-1000856 drm: Lock pointer access in drm_master_release()
A race condition in the Linux Kernel DRM subsystem allows local attackers to cause a denial of service via unlocked pointer access.
- 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-2021-1000856?
GSD-2021-1000856 is a vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm: Lock pointer access in drm_master_release()
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 v4.14.237 by commit b235f1037c0f9253ae45ff440a33a93e964ad2ec. For more details please see the references link.
Which versions are affected by GSD-2021-1000856?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000856?
No fix has been published for GSD-2021-1000856 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000856 being exploited?
There is no known exploitation of GSD-2021-1000856 in the wild and no public exploit code.