GSD-2021-1002546 vdpa_sim: avoid putting an uninitialized iova_domain
A null pointer dereference in the Linux kernel's vdpa_sim driver can cause a system crash, requiring a kernel patch to resolve.
- 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-2021-1002546?
GSD-2021-1002546 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
vdpa_sim: avoid putting an uninitialized iova_domain
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 v5.15.6 by commit e4d58ac67e63727aa45a4a26185876f598e8b3dd, it was introduced in version v5.13 by commit 4080fc1067501707b9693b8003feae7d50d14e35. For more details please see the references link.
Which versions are affected by GSD-2021-1002546?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002546?
No fix has been published for GSD-2021-1002546 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002546 being exploited?
There is no known exploitation of GSD-2021-1002546 in the wild and no public exploit code.