GSD-2022-1003627 drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume
A use-after-free vulnerability in the Linux kernel's DPU1 display driver allows local attackers to potentially execute code or cause a system crash.
- 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-2022-1003627?
GSD-2022-1003627 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume
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 v5.10.121 by commit 134760263f6441741db0b2970e7face6b34b6d1c, it was introduced in version v4.19 by commit 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef. For more details please see the references link.
Which versions are affected by GSD-2022-1003627?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003627?
No fix has been published for GSD-2022-1003627 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-2022-1003627 being exploited?
There is no known exploitation of GSD-2022-1003627 in the wild and no public exploit code.