GSD-2021-1001117 dmaengine: mediatek: free the proper desc in desc_free handler
A memory corruption vulnerability in the MediaTek DMA engine driver allows local attackers to cause denial of service or potentially execute code.
- 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-2021-1001117?
GSD-2021-1001117 is a memory corruption vulnerability in Kernel, published on 8 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
dmaengine: mediatek: free the proper desc in desc_free handler
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 v5.4.129 by commit 3d995587c3ea335ad828b24592c89fdee013815f. For more details please see the references link.
Which versions are affected by GSD-2021-1001117?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001117?
No fix has been published for GSD-2021-1001117 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1001117 being exploited?
There is no known exploitation of GSD-2021-1001117 in the wild and no public exploit code.