GSD-2023-1000042 drm/shmem-helper: Remove errant put in error path
A use-after-free vulnerability in the Linux kernel's DRM shmem helper allows local attackers to potentially escalate privileges or cause a system crash.
- 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-2023-1000042?
GSD-2023-1000042 is an use after free 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
drm/shmem-helper: Remove errant put in error path
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 v6.0.13 by commit 586847b98e20ab02212ca5c1fc46680384e68a28, it was introduced in version v5.2 by commit 2194a63a818db71065ebe09c8104f5f021ca4e7b. For more details please see the references link.
Which versions are affected by GSD-2023-1000042?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000042?
No fix has been published for GSD-2023-1000042 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-2023-1000042 being exploited?
There is no known exploitation of GSD-2023-1000042 in the wild and no public exploit code.