An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | 4.16 (including) | 5.4.244 (excluding) |
| Linux_kernel | Linux | 5.5.0 (including) | 5.10.180 (excluding) |
| Linux_kernel | Linux | 5.11 (including) | 5.15.60 (excluding) |
| Linux_kernel | Linux | 5.16 (including) | 5.18.17 (excluding) |