CVE-2017-7543

NameCVE-2017-7543
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
neutron (PTS)stretch (security), stretch2:9.1.1-3+deb9u1fixed
buster2:13.0.2-15fixed
bullseye2:16.0.0-2fixed
sid2:16.0.0-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
neutronsource(unstable)(not affected)

Notes

- neutron <not-affected> (Specific to Red Hat packaging)
https://bugzilla.redhat.com/show_bug.cgi?id=1473792

Search for package or bug name: Reporting problems