GSD-2021-1002803 IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()
A memory leak in the Linux Kernel InfiniBand driver allows local attackers to cause 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-2021-1002803?
GSD-2021-1002803 is a memory corruption vulnerability in Kernel, published on 30 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()
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 v5.10.89 by commit 7cf6466e00a77b0a914b7b2c28a1fc7947d55e59, it was introduced in version v5.10.77 by commit c3e17e58f571f34c51aeb17274ed02c2ed5cf780. For more details please see the references link.
Which versions are affected by GSD-2021-1002803?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002803?
No fix has been published for GSD-2021-1002803 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-2021-1002803 being exploited?
There is no known exploitation of GSD-2021-1002803 in the wild and no public exploit code.