CVE-2017-5936

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-04-12 · updated 2026-06-17

Description

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

Affected products

Canonical Ubuntu Linux: 16.04
OpenStack Nova-Lxd: through 13.1.0

References

http://www.openwall.com/lists/oss-security/2017/02/09/3
http://www.securityfocus.com/bid/96182
http://www.ubuntu.com/usn/USN-3195-1
https://bugs.launchpad.net/nova-lxd/+bug/1656847
https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2
http://www.openwall.com/lists/oss-security/2017/02/09/3
http://www.securityfocus.com/bid/96182
http://www.ubuntu.com/usn/USN-3195-1
https://bugs.launchpad.net/nova-lxd/+bug/1656847
https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2

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