GSD-2021-1001731 KVM: SVM: fix missing sev_decommission in sev_receive_start
Missing decommission call in KVM SVM SEV receive start may lead to resource leaks or undefined behavior in virtualized environments.
- 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-2021-1001731?
GSD-2021-1001731 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
KVM: SVM: fix missing sev_decommission in sev_receive_start
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 efd7866e114dcb44f86d151e843f8276b7efbc67, it was introduced in version v5.13 by commit af43cbbf954b50ca97d5e7bb56c2edc6ffd209ef. For more details please see the references link.
Which versions are affected by GSD-2021-1001731?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001731?
No fix has been published for GSD-2021-1001731 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1001731 being exploited?
There is no known exploitation of GSD-2021-1001731 in the wild and no public exploit code.