qemu-bridge-helper.c in QEMU 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.
CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2019-13164 User=admin}
