CVE-2014-5206
The MITRE CVE dictionary describes this issue as:
The do_remount function in fs/namespace.c in the Linux kernel through 3.16.1 does not maintain the MNT_LOCK_READONLY bit across a remount of a bind mount, which allows local users to bypass an intended read-only restriction and defeat certain sandbox protection mechanisms via a "mount -o remount" command within a user namespace.
Find out more about CVE-2014-5206 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
Not vulnerable.
This issue did not affect the versions of kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, and Red Hat Enterprise Linux MRG 2.
CVSS v2 metrics
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 6 |
|---|---|
| Base Metrics | AV:L/AC:H/Au:S/C:C/I:C/A:C |
| Access Vector | Local |
| Access Complexity | High |
| Authentication | Single |
| Confidentiality Impact | Complete |
| Integrity Impact | Complete |
| Availability Impact | Complete |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise MRG 2 | kernel | Not affected |
| Red Hat Enterprise Linux 7 | kernel | Not affected |
| Red Hat Enterprise Linux 6 | kernel | Not affected |
| Red Hat Enterprise Linux 5 | kernel | Not affected |
CVE description copyright © 2017, The MITRE Corporation