Debian Security Advisory

DSA-4983-1 neutron -- security update

Date Reported:
10 Oct 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 993398.
In Mitre's CVE dictionary: CVE-2021-40085.
More information:

Pavel Toporkov discovered a vulnerability in Neutron, the OpenStack virtual network service, which allowed a reconfiguration of dnsmasq via crafted dhcp_extra_opts parameters.

For the oldstable distribution (buster), this problem has been fixed in version 2:13.0.7+git.2021.09.27.bace3d1890-0+deb10u1. This update also fixes CVE-2021-20267.

For the stable distribution (bullseye), this problem has been fixed in version 2:17.2.1-0+deb11u1. This update also fixes CVE-2021-38598.

We recommend that you upgrade your neutron packages.

For the detailed security status of neutron please refer to its security tracker page at: