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CVE-2014-5207

Public on 2014-08-18
Modified on 2014-09-19
Description

fs/namespace.c in the Linux kernel through 3.16.1 does not properly restrict clearing MNT_NODEV, MNT_NOSUID, and MNT_NOEXEC and changing MNT_ATIME_MASK during a remount of a bind mount, which allows local users to gain privileges, interfere with backups and auditing on systems that had atime enabled, or cause a denial of service (excessive filesystem updating) on systems that had atime disabled via a "mount -o remount" command within a user namespace.

Severity
Important
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CVSS v3 Base Score
6.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2014-09-18 21:04 ALAS-2014-417

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 6.0 AV:L/AC:H/Au:S/C:C/I:C/A:C
NVD CVSSv2 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C