GSD-2021-1001365 virtio_console: Assure used length from device is limited
A missing length check in the virtio_console driver could allow a malicious device to cause a 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-2021-1001365?
GSD-2021-1001365 is a denial of service 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
virtio_console: Assure used length from device is limited
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 v4.19.198 by commit b5fba782ccd3d12a14f884cd20f255fc9c0eec0c. For more details please see the references link.
Which versions are affected by GSD-2021-1001365?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001365?
No fix has been published for GSD-2021-1001365 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2021-1001365 being exploited?
There is no known exploitation of GSD-2021-1001365 in the wild and no public exploit code.