GSD-2021-1001720 RDMA/hfi1: Fix kernel pointer leak
A kernel pointer leak in the RDMA hfi1 driver allows local attackers to read sensitive kernel memory addresses.
- 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-2021-1001720?
GSD-2021-1001720 is a vulnerability in Kernel, published on 19 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
RDMA/hfi1: Fix kernel pointer leak
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 v5.14.10 by commit 714bfabe5f2901d96902e271d7217601fe4703e5, it was introduced in version v5.13 by commit 042a00f93aad5874937e00f36e68301f7e3a0af1. For more details please see the references link.
Which versions are affected by GSD-2021-1001720?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001720?
No fix has been published for GSD-2021-1001720 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001720 being exploited?
There is no known exploitation of GSD-2021-1001720 in the wild and no public exploit code.