GSD-2021-1000618 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-2021-1000618?
GSD-2021-1000618 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 v5.4.124 by commit 821149ee88c206fa37e79c1868cc270518484876, it was introduced in version v5.3 by commit 893ce44df56580fb878ca5af9c4a5fd87567da50. For more details please see the references link.
Which versions are affected by GSD-2021-1000618?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000618?
No fix has been published for GSD-2021-1000618 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000618 being exploited?
There is no known exploitation of GSD-2021-1000618 in the wild and no public exploit code.