CVE-2021-38598

Published: 23 August 2021

OpenStack Neutron before 16.4.1, 17.x before 17.1.3, and 18.0.0 allows hardware address impersonation when the linuxbridge driver with ebtables-nft is used on a Netfilter-based platform. By sending carefully crafted packets, anyone in control of a server instance connected to the virtual switch can impersonate the hardware addresses of other systems on the network, resulting in denial of service or in some cases possibly interception of traffic intended for other destinations.

Priority

Medium

CVSS 3 base score: 9.1

Status

Package Release Status
neutron
Launchpad, Ubuntu, Debian
Upstream
Released (2:18.1.0-2)
Ubuntu 21.10 (Impish Indri) Not vulnerable
(2:18.1.0+git2021072117.147830620f-0ubuntu2)
Ubuntu 21.04 (Hirsute Hippo) Needed

Ubuntu 20.04 LTS (Focal Fossa) Needed

Ubuntu 18.04 LTS (Bionic Beaver) Needs triage

Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist