GSD-2021-1001993 comedi: dt9812: fix DMA buffers on stack
A stack-based buffer issue in the dt9812 driver could allow local attackers to execute code or escalate privileges.
- 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-2021-1001993?
GSD-2021-1001993 is a memory corruption vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
comedi: dt9812: fix DMA buffers on stack
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 v4.19.217 by commit 39ea61037ae78f14fa121228dd962ea3280eacf3, it was introduced in version v2.6.29 by commit 63274cd7d38a3322d90b66a5bc976de1fb899051. For more details please see the references link.
Which versions are affected by GSD-2021-1001993?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001993?
No fix has been published for GSD-2021-1001993 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-2021-1001993 being exploited?
There is no known exploitation of GSD-2021-1001993 in the wild and no public exploit code.