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CVE-2016-6197 Detail

Description

fs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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=11f3710417d026ea2f4fcf362d866342c5274185 Issue Tracking  Patch 
http://rhn.redhat.com/errata/RHSA-2016-1847.html
http://rhn.redhat.com/errata/RHSA-2016-1875.html
http://www.openwall.com/lists/oss-security/2016/07/11/8 Mailing List  Third Party Advisory 
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html Third Party Advisory 
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory 
http://www.securityfocus.com/bid/91709
http://www.securitytracker.com/id/1036273
http://www.ubuntu.com/usn/USN-3070-1
http://www.ubuntu.com/usn/USN-3070-2
http://www.ubuntu.com/usn/USN-3070-3
http://www.ubuntu.com/usn/USN-3070-4
https://bugzilla.redhat.com/show_bug.cgi?id=1355650 Issue Tracking 
https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185 Issue Tracking  Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation cwe source acceptance level NIST  

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-6197
NVD Published Date:
08/06/2016
NVD Last Modified:
12/27/2019
Source:
MITRE