An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.
| Software | From | Fixed in |
|---|---|---|
| fedoraproject / fedora | 33 | 33.x |
| systemd_project / systemd | 245 | 245.x |