GSD-2021-1001279 ALSA: usx2y: Don't call free_pages_exact() with NULL address
A null pointer dereference in the ALSA usx2y driver can cause a kernel crash, leading to denial of service for local attackers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1001279?
GSD-2021-1001279 is a vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ALSA: usx2y: Don't call free_pages_exact() with NULL address
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 v5.10.52 by commit 7d7f30cf182e55023fa8fde4c084b2d37c6be69d. For more details please see the references link.
Which versions are affected by GSD-2021-1001279?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001279?
No fix has been published for GSD-2021-1001279 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001279 being exploited?
There is no known exploitation of GSD-2021-1001279 in the wild and no public exploit code.