Security Information / 2021 / Security Information -- DSA-4983-1 neutron

Debian Security Advisory

DSA-4983-1 neutron -- security update

Date Reported:

10 Oct 2021

Affected Packages:

neutron

Vulnerable:

Yes

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: https://security-tracker.debian.org/tracker/neutron