GSD-2021-1002595 ALSA: pcm: oss: Fix negative period/buffer sizes
A local attacker can trigger negative period or buffer sizes in the ALSA PCM OSS module, potentially causing a 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-2021-1002595?
GSD-2021-1002595 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: pcm: oss: Fix negative period/buffer sizes
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 v5.15.8 by commit 00a860678098fcd9fa8db2b5fb9d2ddf4776d4cc. For more details please see the references link.
Which versions are affected by GSD-2021-1002595?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002595?
No fix has been published for GSD-2021-1002595 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002595 being exploited?
There is no known exploitation of GSD-2021-1002595 in the wild and no public exploit code.