CVE-2014-7970 Detail

Current Description

The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2014/10/08/21 Mailing List  Patch  Third Party Advisory 
http://www.securityfocus.com/bid/70319 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1030991 Third Party Advisory  VDB Entry 
http://www.spinics.net/lists/linux-fsdevel/msg79153.html Exploit  Mailing List  Patch  Third Party Advisory 
http://www.ubuntu.com/usn/USN-2419-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2420-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2513-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2514-1 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:1842 Third Party Advisory 
https://access.redhat.com/errata/RHSA-2017:2077 Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=1151095 Issue Tracking  Patch  Third Party Advisory 
https://exchange.xforce.ibmcloud.com/vulnerabilities/96921 Third Party Advisory  VDB Entry 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0826019e529f21c84687521d03f60cd241ca7d Mailing List  Patch  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-400 Uncontrolled Resource Consumption cwe source acceptance level NIST  

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-7970
NVD Published Date:
10/13/2014
NVD Last Modified:
08/14/2020
Source:
MITRE