GSD-2021-1000533 gve: Add NULL pointer checks when freeing irqs.
A missing NULL pointer check in the gve driver can cause a kernel crash when freeing IRQs, leading to denial of service.
- 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-2021-1000533?
GSD-2021-1000533 is a vulnerability in Kernel, published on 4 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
gve: Add NULL pointer checks when freeing irqs.
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 v5.12.9 by commit 5278c75266c5094d3c0958793bf12fc90300e580, it was introduced in version v5.3 by commit 893ce44df56580fb878ca5af9c4a5fd87567da50. For more details please see the references link.
Which versions are affected by GSD-2021-1000533?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000533?
No fix has been published for GSD-2021-1000533 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000533 being exploited?
There is no known exploitation of GSD-2021-1000533 in the wild and no public exploit code.