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VULNERABILITIES

CVE-2018-6556 Details

Description

lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00076.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html CVEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html CVE
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591 CVEIssue TrackingThird Party Advisory

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-417Communication Channel Errors[email protected]

Affected Products

ProductVersions

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-6556
NVD Published Date:
Aug 10, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]