GSD-2021-1002238 ALSA: gus: fix null pointer dereference on pointer block
A null pointer dereference in the ALSA GUS driver allows local attackers to cause a system crash.
- 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-2021-1002238?
GSD-2021-1002238 is a vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: gus: fix null pointer dereference on pointer block
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 v4.14.256 by commit 542fa721594a02d2aee0370a764d306ef48d030c. For more details please see the references link.
Which versions are affected by GSD-2021-1002238?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002238?
No fix has been published for GSD-2021-1002238 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002238 being exploited?
There is no known exploitation of GSD-2021-1002238 in the wild and no public exploit code.