GSD-2022-1005921 KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nested_run_pending case
A potential issue in KVM nVMX handling of DEBUGCTL snapshots requires high privileges and local access, with unproven impact.
- 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-2022-1005921?
GSD-2022-1005921 is a vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nested_run_pending case
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 v5.10.137 by commit 860e3343958a03ba8ad78750bdbe5dd1fe35ce02, it was introduced in version v4.19 by commit 8fcc4b5923af5de58b80b53a069453b135693304. For more details please see the references link.
Which versions are affected by GSD-2022-1005921?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005921?
No fix has been published for GSD-2022-1005921 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005921 being exploited?
There is no known exploitation of GSD-2022-1005921 in the wild and no public exploit code.