GSD-2022-1008023 macvlan: enforce a consistent minimal mtu
An inconsistency in macvlan MTU enforcement in the Linux kernel can lead to denial of service conditions.
- 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-2022-1008023?
GSD-2022-1008023 is a denial of service vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
macvlan: enforce a consistent minimal mtu
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 v5.10.156 by commit e929ec98c0c3b10d9c07f3776df0c1a02d7a763e, it was introduced in version v4.10 by commit 91572088e3fdbf4fe31cf397926d8b890fdb3237. For more details please see the references link.
Which versions are affected by GSD-2022-1008023?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008023?
No fix has been published for GSD-2022-1008023 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-2022-1008023 being exploited?
There is no known exploitation of GSD-2022-1008023 in the wild and no public exploit code.