GSD-2023-1000892 drm/panfrost: Fix GEM handle creation ref-counting
A ref-counting error in the Panfrost GPU driver allows local attackers to trigger use-after-free, potentially leading to privilege escalation or 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-2023-1000892?
GSD-2023-1000892 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/panfrost: Fix GEM handle creation ref-counting
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 v5.15.87 by commit 4f1105ee72d8c7c35d90e3491b31b2d9d6b7e33a, it was introduced in version v5.2 by commit f3ba91228e8e917e5bd6c4b72bfe846933d17370. For more details please see the references link.
Which versions are affected by GSD-2023-1000892?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000892?
No fix has been published for GSD-2023-1000892 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-2023-1000892 being exploited?
There is no known exploitation of GSD-2023-1000892 in the wild and no public exploit code.