GSD-2022-1001304 ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
A race condition in the Linux Kernel ALSA PCM subsystem can cause a deadlock, leading to denial of service for local users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1001304?
GSD-2022-1001304 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: pcm: Fix potential AB/BA lock with buffer_mutex and mmap_lock
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 v5.17.2 by commit be9813ad2fc8f0885f5ce6925af0d993ce5da4e5, it was introduced in version v5.17.1 by commit dd2f8c684da3e226e5ec7a81c89ff5fd4a957a03. For more details please see the references link.
Which versions are affected by GSD-2022-1001304?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001304?
No fix has been published for GSD-2022-1001304 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001304 being exploited?
There is no known exploitation of GSD-2022-1001304 in the wild and no public exploit code.