CVE Feed

    Dashboard / CVE / CVE-2017-5985

    CVE-2017-5985

    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.

    Published:Mar 14, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 14, 2017
    EPSS Score:0.0009
    CVSS Score:3.3

    Affected Products

    Vendor
    Linuxcontainers
    Product
    Lxc

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-39402 (CVSS 4.3) — lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in …
    CVE-2022-47952 (CVSS 3.3) — lxc-user-nic in lxc through 5.0.1 is installed setuid root, and may allow local users to infer whether any fil…
    CVE-2017-18641 (CVSS 8.1) — In LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, befor…
    CVE-2019-5736 (CVSS 8.6) — runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the h…
    CVE-2018-6556 (CVSS 3.3) — lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This cod…
    CVE-2016-8649 (CVSS 9.1) — lxc-attach in LXC before 1.0.9 and 2.x before 2.0.6 allows an attacker inside of an unprivileged container to …
    CVE-2016-10124 (CVSS 8.6) — An issue was discovered in Linux Containers (LXC) before 2016-02-22. When executing a program via lxc-attach, …
    CVE-2015-1335 (CVSS 7.2) — lxc-start in lxc before 1.0.8 and 1.1.x before 1.1.4 allows local container administrators to escape AppArmor …
    CVE-2015-1331 (CVSS 4.9) — lxclock.c in LXC 1.1.2 and earlier allows local users to create arbitrary files via a symlink attack on /run/l…
    CVE-2015-1334 (CVSS 4.6) — attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users …

    References

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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High