qemu-bridge-helper.c in QEMU 3.1 and 4.0.0 does not ensure that a network interface name (obtained from bridge.conf or a –br=bridge option) is limited to the IFNAMSIZ size, which can lead to an ACL bypass.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Qemu | Qemu | 3.1 (including) | 3.1 (including) |
| Qemu | Qemu | 4.0.0 (including) | 4.0.0 (including) |
| Qemu | Ubuntu | bionic | * |
| Qemu | Ubuntu | cosmic | * |
| Qemu | Ubuntu | devel | * |
| Qemu | Ubuntu | disco | * |
| Qemu | Ubuntu | eoan | * |
| Qemu | Ubuntu | trusty | * |
| Qemu | Ubuntu | trusty/esm | * |
| Qemu | Ubuntu | upstream | * |
| Qemu | Ubuntu | xenial | * |
| Qemu-kvm | Ubuntu | trusty | * |