GSD-2021-1000250 mt76: mt7921: fix kernel crash when the firmware fails to download
A kernel crash occurs in the mt7921 driver when firmware download fails, potentially causing a denial of service for local attackers.
- 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-2021-1000250?
GSD-2021-1000250 is a denial of service 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 kernel crash when the firmware fails to download
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 a46b536cd60c0dbd4bf767c62a8774dec52bf099, it was introduced in version v5.12 by commit 5c14a5f944b91371961548b1907802f74a4d2e5c. For more details please see the references link.
Which versions are affected by GSD-2021-1000250?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000250?
No fix has been published for GSD-2021-1000250 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1000250 being exploited?
There is no known exploitation of GSD-2021-1000250 in the wild and no public exploit code.