GSD-2022-1003657 KVM: x86: avoid calling x86 emulator without a decoded instruction
A flaw in the Linux Kernel KVM x86 emulator allows a local attacker to cause a denial of service by triggering an invalid state.
- 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-2022-1003657?
GSD-2022-1003657 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
KVM: x86: avoid calling x86 emulator without a decoded instruction
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 v5.10.120 by commit 3d8fc6e28f321d753ab727e3c3e740daf36a8fa3, it was introduced in version v5.10.61 by commit 47d4c799979996e512730de23a08c1d17dc373db. For more details please see the references link.
Which versions are affected by GSD-2022-1003657?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003657?
No fix has been published for GSD-2022-1003657 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1003657 being exploited?
There is no known exploitation of GSD-2022-1003657 in the wild and no public exploit code.