GSD-2021-1001996 comedi: vmk80xx: fix bulk-buffer overflow
A buffer overflow in the vmk80xx kernel 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-2021-1001996?
GSD-2021-1001996 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: vmk80xx: fix bulk-buffer overflow
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 063f576c43d589a4c153554b681d32b3f8317c7b, it was introduced in version v2.6.31 by commit 985cafccbf9b7f862aa1c5ee566801e18b5161fb. For more details please see the references link.
Which versions are affected by GSD-2021-1001996?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001996?
No fix has been published for GSD-2021-1001996 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-2021-1001996 being exploited?
There is no known exploitation of GSD-2021-1001996 in the wild and no public exploit code.