GSD-2022-1002573 mt76: fix use-after-free by removing a non-RCU wcid pointer
A use-after-free vulnerability in the mt76 wireless driver allows attackers to potentially execute code or cause a system crash.
- 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-2022-1002573?
GSD-2022-1002573 is an use after free vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mt76: fix use-after-free by removing a non-RCU wcid pointer
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 v5.18.3 by commit d5f77f1dbb59feae81f88e44551e8e1d8a802d9a. For more details please see the references link.
Which versions are affected by GSD-2022-1002573?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002573?
No fix has been published for GSD-2022-1002573 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1002573 being exploited?
There is no known exploitation of GSD-2022-1002573 in the wild and no public exploit code.