GSD-2021-1000232 wlcore: Fix buffer overrun by snprintf due to incorrect buffer size

Not scored Published

A buffer overrun in the wlcore driver allows potential memory corruption, requiring a kernel patch to mitigate risks.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
None listed

What is GSD-2021-1000232?

GSD-2021-1000232 is a memory corruption vulnerability in Kernel, published on 31 May 2021.

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 v5.12.4 by commit 7748383030f2dbffde9b4c24d0a899a7c0c621e8, it was introduced in version v5.12.4 by commit f5f2fd30be85a5dd71856e09db9623385e61590f. For more details please see the references link.

Which versions are affected by GSD-2021-1000232?

1 open source package ship an affected version, including Kernel.

PackageAffectedFixed in
Kernel LinuxAll versionsNone

How do I fix GSD-2021-1000232?

No fix has been published for GSD-2021-1000232 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-2021-1000232 being exploited?

There is no known exploitation of GSD-2021-1000232 in the wild and no public exploit code.

Sources

Is GSD-2021-1000232 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free