GSD-2021-1000901 RDMA/ipoib: Fix warning caused by destroying non-initial netns
A kernel warning in RDMA/ipoib when destroying non-initial network namespaces could lead to a denial of service, requiring local privileged access.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000901?
GSD-2021-1000901 is a denial of service vulnerability in Kernel, published on 30 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RDMA/ipoib: Fix warning caused by destroying non-initial netns
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 v5.4.126 by commit 64f1fb6acc2ab95982fc4334f351d7576c26f313, it was introduced in version v5.4.73 by commit dc1d4c658b9c123e31054fffcbc0b23566694b1a. For more details please see the references link.
Which versions are affected by GSD-2021-1000901?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000901?
No fix has been published for GSD-2021-1000901 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-2021-1000901 being exploited?
There is no known exploitation of GSD-2021-1000901 in the wild and no public exploit code.