GSD-2021-1002138 RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR
A missing initialization in the Linux Kernel RDMA/mlx5 driver can lead to a null pointer dereference, causing a system crash.
- 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-2021-1002138?
GSD-2021-1002138 is a vulnerability in Kernel, published on 14 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR
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 v5.14.16 by commit 5f6995295f65d1ee6f36d466d26afd98eb797afe, it was introduced in version v5.13 by commit a639e66703ee45745dc4057c7c2013ed9e1963a7. For more details please see the references link.
Which versions are affected by GSD-2021-1002138?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002138?
No fix has been published for GSD-2021-1002138 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002138 being exploited?
There is no known exploitation of GSD-2021-1002138 in the wild and no public exploit code.