GSD-2022-1001939 ALSA: pcm: Fix races among concurrent prealloc proc writes
A race condition in the Linux Kernel ALSA PCM subsystem allows local attackers to cause a denial of service via concurrent prealloc proc writes.
- 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-2022-1001939?
GSD-2022-1001939 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 races among concurrent prealloc proc writes
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 v5.15.32 by commit 51fce708ab8986a9879ee5da946a2cc120f1036d. For more details please see the references link.
Which versions are affected by GSD-2022-1001939?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001939?
No fix has been published for GSD-2022-1001939 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001939 being exploited?
There is no known exploitation of GSD-2022-1001939 in the wild and no public exploit code.