GSD-2022-1002132 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 a local denial of service.
- 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-2022-1002132?
GSD-2022-1002132 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 v5.10.110 by commit 9017201e8d8c6d1472273361389ed431188584a0, it was introduced in version v5.10.109 by commit 8527c8f052fb42091c6569cb928e472376a4a889. For more details please see the references link.
Which versions are affected by GSD-2022-1002132?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002132?
No fix has been published for GSD-2022-1002132 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1002132 being exploited?
There is no known exploitation of GSD-2022-1002132 in the wild and no public exploit code.