In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Linux_kernel | Linux | * | 4.17.2 (excluding) |
| Linux | Ubuntu | artful | * |
| Linux | Ubuntu | bionic | * |
| Linux | Ubuntu | upstream | * |
| Linux-aws | Ubuntu | bionic | * |
| Linux-aws | Ubuntu | upstream | * |
| Linux-azure | Ubuntu | bionic | * |
| Linux-azure | Ubuntu | upstream | * |
| Linux-azure | Ubuntu | xenial | * |
| Linux-azure-edge | Ubuntu | upstream | * |
| Linux-azure-edge | Ubuntu | xenial | * |
| Linux-euclid | Ubuntu | upstream | * |
| Linux-flo | Ubuntu | esm-apps/xenial | * |
| Linux-flo | Ubuntu | trusty | * |
| Linux-flo | Ubuntu | upstream | * |
| Linux-flo | Ubuntu | xenial | * |
| Linux-gcp | Ubuntu | bionic | * |
| Linux-gcp | Ubuntu | upstream | * |
| Linux-gcp | Ubuntu | xenial | * |
| Linux-gke | Ubuntu | upstream | * |
| Linux-gke | Ubuntu | xenial | * |
| Linux-goldfish | Ubuntu | esm-apps/xenial | * |
| Linux-goldfish | Ubuntu | trusty | * |
| Linux-goldfish | Ubuntu | upstream | * |
| Linux-goldfish | Ubuntu | xenial | * |
| Linux-grouper | Ubuntu | trusty | * |
| Linux-grouper | Ubuntu | upstream | * |
| Linux-hwe | Ubuntu | upstream | * |
| Linux-hwe | Ubuntu | xenial | * |
| Linux-hwe-edge | Ubuntu | upstream | * |
| Linux-hwe-edge | Ubuntu | xenial | * |
| Linux-kvm | Ubuntu | bionic | * |
| Linux-kvm | Ubuntu | upstream | * |
| Linux-lts-trusty | Ubuntu | upstream | * |
| Linux-lts-utopic | Ubuntu | trusty | * |
| Linux-lts-utopic | Ubuntu | upstream | * |
| Linux-lts-vivid | Ubuntu | trusty | * |
| Linux-lts-vivid | Ubuntu | upstream | * |
| Linux-lts-wily | Ubuntu | trusty | * |
| Linux-lts-wily | Ubuntu | upstream | * |
| Linux-lts-xenial | Ubuntu | upstream | * |
| Linux-maguro | Ubuntu | trusty | * |
| Linux-maguro | Ubuntu | upstream | * |
| Linux-mako | Ubuntu | esm-apps/xenial | * |
| Linux-mako | Ubuntu | trusty | * |
| Linux-mako | Ubuntu | upstream | * |
| Linux-mako | Ubuntu | xenial | * |
| Linux-manta | Ubuntu | trusty | * |
| Linux-manta | Ubuntu | upstream | * |
| Linux-oem | Ubuntu | bionic | * |
| Linux-oem | Ubuntu | upstream | * |
| Linux-oem | Ubuntu | xenial | * |
| Linux-raspi2 | Ubuntu | artful | * |
| Linux-raspi2 | Ubuntu | bionic | * |
| Linux-raspi2 | Ubuntu | upstream | * |
| Linux-snapdragon | Ubuntu | upstream | * |