National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-9717 Detail

Current Description

fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 6.1 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2
http://www.openwall.com/lists/oss-security/2015/04/17/4
http://www.securityfocus.com/bid/74226
http://www.spinics.net/lists/linux-containers/msg30786.html
https://bugzilla.redhat.com/show_bug.cgi?id=1226751
https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1 Vendor Advisory
https://groups.google.com/forum/message/raw?msg=linux.kernel/HnegnbXk0Vs/RClojwJzAFEJ

Weakness Enumeration

CWE-ID CWE Name Source
CWE-284 Improper Access Control NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
4.0.1


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-9717
NVD Published Date:
05/02/2016
NVD Last Modified:
08/11/2016