GSD-2021-1002428 ALSA: pcm: oss: Fix negative period/buffer sizes
A local attacker can trigger a denial of service in the Linux Kernel ALSA OSS subsystem via negative period or buffer sizes.
- 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-2021-1002428?
GSD-2021-1002428 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 v4.19.221 by commit f96c0959c1ee92adc911c10d6ec209af50105049. For more details please see the references link.
Which versions are affected by GSD-2021-1002428?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002428?
No fix has been published for GSD-2021-1002428 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002428 being exploited?
There is no known exploitation of GSD-2021-1002428 in the wild and no public exploit code.