GSD-2022-1001521 RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
A memory leak in the Linux Kernel RDMA/mlx5 driver allows local attackers to cause denial of service via resource exhaustion.
- 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-2022-1001521?
GSD-2022-1001521 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
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 v5.16.19 by commit d66498507801fd9a20307a15a0814a0a016c3cde, it was introduced in version v5.3 by commit 7597385371425febdaa8c6a1da3625d4ffff16f5. For more details please see the references link.
Which versions are affected by GSD-2022-1001521?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001521?
No fix has been published for GSD-2022-1001521 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-2022-1001521 being exploited?
There is no known exploitation of GSD-2022-1001521 in the wild and no public exploit code.