GSD-2022-1001173 vsock/virtio: initialize vdev->priv before using VQs
A null pointer dereference in the Linux kernel vsock/virtio driver can cause a denial of service when virtual queues are used before initialization.
- 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-2022-1001173?
GSD-2022-1001173 is a vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vsock/virtio: initialize vdev->priv before using VQs
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 v5.17.2 by commit 83c80024c20d192168970a6029097f1c0b8bba40, it was introduced in version v5.3 by commit 9c7a5582f5d720dc35cfcc42ccaded69f0642e4a. For more details please see the references link.
Which versions are affected by GSD-2022-1001173?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001173?
No fix has been published for GSD-2022-1001173 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1001173 being exploited?
There is no known exploitation of GSD-2022-1001173 in the wild and no public exploit code.