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Vulnerability record · CVE-2017-5985 · published 14 March 2017

CVE-2017-5985: Linuxcontainers lxc missing authorization vulnerability

Linuxcontainers · Lxc

lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.

3.3 CVSS 3.0 Low EPSS 0.34% · top 75.3% CWE-862 · Missing authorization
3.3CVSS 3.0 base score, v2 2.1
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

lxc-user-nic in Linux Containers (LXC) allows local users with a lxc-usernet allocation to create network interfaces on the host and choose the name of those interfaces by leveraging lack of netns ownership check.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
http://www.openwall.com/lists/oss-security/2017/03/09/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96777 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3224-1 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1654676 Third Party Advisory
https://github.com/lxc/lxc/commit/16af238036a5464ae8f2420ed3af214f0de875f9 Issue TrackingPatch
https://lists.linuxcontainers.org/pipermail/lxc-devel/2017-March/015535.html Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
http://www.openwall.com/lists/oss-security/2017/03/09/4 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/96777 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-3224-1 Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1654676 Third Party Advisory
https://github.com/lxc/lxc/commit/16af238036a5464ae8f2420ed3af214f0de875f9 Issue TrackingPatch
https://lists.linuxcontainers.org/pipermail/lxc-devel/2017-March/015535.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-5985), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.