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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.16 | 5.18.17 |
| linux / linux_kernel | 5.11 | 5.15.60 |
| linux / linux_kernel | 5.5.0 | 5.10.180 |
| linux / linux_kernel | 4.16 | 5.4.244 |
| netapp / hci_baseboard_management_controller | h300s | h300s.x |
| netapp / hci_baseboard_management_controller | h500s | h500s.x |
| netapp / hci_baseboard_management_controller | h700s | h700s.x |
| netapp / hci_baseboard_management_controller | h410s | h410s.x |
| netapp / hci_baseboard_management_controller | h410c | h410c.x |