GSD-2022-1007603 vhost/vsock: Use kvmalloc/kvfree for larger packets.
A memory allocation issue in the Linux kernel vhost/vsock module can lead to denial of service when handling large packets.
- 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-2022-1007603?
GSD-2022-1007603 is a denial of service vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
vhost/vsock: Use kvmalloc/kvfree for larger packets.
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 v4.14.296 by commit 0d720c3f0a03e97867deab7e480ba3d3e19837ba, it was introduced in version v4.8 by commit 433fc58e6bf2c8bd97e57153ed28e64fd78207b8. For more details please see the references link.
Which versions are affected by GSD-2022-1007603?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007603?
No fix has been published for GSD-2022-1007603 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-2022-1007603 being exploited?
There is no known exploitation of GSD-2022-1007603 in the wild and no public exploit code.