GSD-2022-1006877 KVM: nVMX: Don't propagate vmcs12's PERF_GLOBAL_CTRL settings to vmcs02
A flaw in KVM nVMX allows guest VMs to bypass performance monitoring controls, potentially hiding malicious activity from the host.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1006877?
GSD-2022-1006877 is a vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: nVMX: Don't propagate vmcs12's PERF_GLOBAL_CTRL settings to vmcs02
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 v6.0.3 by commit 93c3b798b557332be62beac6044113cc2885cb54, it was introduced in version v3.2 by commit 8bf00a529967dafbbb210b377c38a15834d1e979. For more details please see the references link.
Which versions are affected by GSD-2022-1006877?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006877?
No fix has been published for GSD-2022-1006877 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1006877 being exploited?
There is no known exploitation of GSD-2022-1006877 in the wild and no public exploit code.