GSD-2021-1001689 drm/nouveau: avoid a use-after-free when BO init fails
A use-after-free in the nouveau driver allows local attackers to potentially execute code or escalate privileges when buffer object initialization fails.
- 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-2021-1001689?
GSD-2021-1001689 is an use after free 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: avoid a use-after-free when BO init fails
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 v5.14.12 by commit 548f2ff8ea5e0ce767ae3418d1ec5308990be87d, it was introduced in version v5.4 by commit 019cbd4a4feb3aa3a917d78e7110e3011bbff6d5. For more details please see the references link.
Which versions are affected by GSD-2021-1001689?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001689?
No fix has been published for GSD-2021-1001689 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2021-1001689 being exploited?
There is no known exploitation of GSD-2021-1001689 in the wild and no public exploit code.