GSD-2021-1000255 mt76: mt7921: fix memory leak in mt7921_coredump_work
A memory leak in the mt7921 Wi-Fi driver can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2021-1000255?
GSD-2021-1000255 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
mt76: mt7921: fix memory leak in mt7921_coredump_work
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 4811226374453607175ea057777faa7e7f752204, it was introduced in version v5.12 by commit 1c099ab44727c8e42fe4de4d91b53cec3ef02860. For more details please see the references link.
Which versions are affected by GSD-2021-1000255?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000255?
No fix has been published for GSD-2021-1000255 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-2021-1000255 being exploited?
There is no known exploitation of GSD-2021-1000255 in the wild and no public exploit code.