GSD-2021-1002583 IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr
A memory leak in the IB/hfi1 driver allows local attackers to read sensitive kernel memory, potentially exposing confidential data.
- 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-2021-1002583?
GSD-2021-1002583 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr
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 v5.15.8 by commit 834d0fb978643eaf09da425de197cc16a7c2761b, it was introduced in version v4.5 by commit 46b010d3eeb8eb29c740c4ef09c666485f5c07e6. For more details please see the references link.
Which versions are affected by GSD-2021-1002583?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002583?
No fix has been published for GSD-2021-1002583 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002583 being exploited?
There is no known exploitation of GSD-2021-1002583 in the wild and no public exploit code.