GSD-2021-1002151 net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path
A memory leak in the Linux kernel's mlx5 driver error path allows local attackers to cause resource exhaustion and denial of service.
- 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-2021-1002151?
GSD-2021-1002151 is a memory corruption 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
net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path
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 by commit 94b960b9deffc02fc0747afc01f72cc62ab099e3, it was introduced in version v3.11 by commit e126ba97dba9edeb6fafa3665b5f8497fc9cdf8c. For more details please see the references link.
Which versions are affected by GSD-2021-1002151?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002151?
No fix has been published for GSD-2021-1002151 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1002151 being exploited?
There is no known exploitation of GSD-2021-1002151 in the wild and no public exploit code.