GSD-2021-1002320 net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove()
A null pointer dereference in the Linux kernel mlx5 driver can cause a system crash, requiring a kernel patch to resolve.
- 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-2021-1002320?
GSD-2021-1002320 is a vulnerability in Kernel, published on 29 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net/mlx5e: nullify cq->dbg pointer in mlx5_debug_cq_remove()
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 v5.15.5 by commit 2ae38157080616a13a9fe3f0b4b6ec0070aa408a, it was introduced in version v5.15 by commit 94b960b9deffc02fc0747afc01f72cc62ab099e3. For more details please see the references link.
Which versions are affected by GSD-2021-1002320?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002320?
No fix has been published for GSD-2021-1002320 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002320 being exploited?
There is no known exploitation of GSD-2021-1002320 in the wild and no public exploit code.