GSD-2021-1000350 vsock/virtio: free queued packets when closing socket
A memory leak in the Linux kernel vsock/virtio driver allows local attackers to cause denial of service by exhausting memory when closing sockets.
- 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-2021-1000350?
GSD-2021-1000350 is a memory corruption vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vsock/virtio: free queued packets when closing socket
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 v5.10.37 by commit b605673b523fe33abeafb2136759bcbc9c1e6ebf, it was introduced in version v5.2 by commit ac03046ece2b158ebd204dfc4896fd9f39f0e6c8. For more details please see the references link.
Which versions are affected by GSD-2021-1000350?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000350?
No fix has been published for GSD-2021-1000350 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1000350 being exploited?
There is no known exploitation of GSD-2021-1000350 in the wild and no public exploit code.