CVE-2014-5206

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 2.0 7.2/10AV:L/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-269

Affected software

No affected versions have been published.

Timeline

Published: Aug 18, 2014
Last modified: Jun 17, 2026
NVD status: Modified

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