| Name | CVE-2021-40085 |
| Description | An issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3027-1, DSA-4983-1 |
| Debian Bugs | 993398 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| neutron (PTS) | jessie | 2014.1.3-12 | vulnerable |
| stretch (security), stretch (lts), stretch | 2:9.1.1-3+deb9u3 | fixed |
| buster (security), buster, buster (lts) | 2:13.0.7+git.2021.09.27.bace3d1890-0+deb10u1 | fixed |
| bullseye (security), bullseye | 2:17.2.1-0+deb11u1 | fixed |
| bookworm | 2:21.0.0-7 | fixed |
| sid, trixie | 2:25.0.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://www.openwall.com/lists/oss-security/2021/08/31/2
https://launchpad.net/bugs/1939733