GSD-2022-1000780 iommu/vt-d: Fix double list_add when enabling VMD in scalable mode
A double list_add bug in the Linux Kernel IOMMU driver can cause a system crash when enabling VMD in scalable mode.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000780?
GSD-2022-1000780 is a vulnerability in Kernel, published on 18 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
iommu/vt-d: Fix double list_add when enabling VMD in scalable mode
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 v5.15.27 by commit 2aaa085bd012a83be7104356301828585a2253ed, it was introduced in version v5.14 by commit 474dd1c6506411752a9b2f2233eec11f1733a099. For more details please see the references link.
Which versions are affected by GSD-2022-1000780?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000780?
No fix has been published for GSD-2022-1000780 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000780 being exploited?
There is no known exploitation of GSD-2022-1000780 in the wild and no public exploit code.