| Name | CVE-2017-7543 |
| Description | A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| neutron (PTS) | jessie | 2014.1.3-12 | fixed |
| 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.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| neutron | source | (unstable) | (not affected) |
- neutron <not-affected> (Specific to Red Hat packaging)
https://bugzilla.redhat.com/show_bug.cgi?id=1473792