GSD-2021-1000344 wlcore: Fix buffer overrun by snprintf due to incorrect buffer size
A buffer overrun in the wlcore driver allows attackers to cause memory corruption, potentially leading to code execution or system crashes.
- 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-2021-1000344?
GSD-2021-1000344 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wlcore: Fix buffer overrun by snprintf due to incorrect buffer size
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 v5.10.37 by commit b6b894e7a27e52a9032a7eaace538538830d4b9e, it was introduced in version v5.10.37 by commit d204db4fe6acfea7b62fa397c587281399fbd8af. For more details please see the references link.
Which versions are affected by GSD-2021-1000344?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000344?
No fix has been published for GSD-2021-1000344 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-2021-1000344 being exploited?
There is no known exploitation of GSD-2021-1000344 in the wild and no public exploit code.