GSD-2022-1005380 KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nested_run_pending case
A logic error in KVM nested virtualization handling of DEBUGCTL state may lead to undefined behavior or potential security issues 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-2022-1005380?
GSD-2022-1005380 is a vulnerability in Kernel, published on 16 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 v5.19.2 by commit 53221fa294812d034c7a66ff77e1d42a031674bb, it was introduced in version v4.19 by commit 8fcc4b5923af5de58b80b53a069453b135693304. For more details please see the references link.
Which versions are affected by GSD-2022-1005380?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005380?
No fix has been published for GSD-2022-1005380 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005380 being exploited?
There is no known exploitation of GSD-2022-1005380 in the wild and no public exploit code.