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CVE-2016-6197 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185	CVE	Issue TrackingPatch
http://rhn.redhat.com/errata/RHSA-2016-1847.html	CVE
http://rhn.redhat.com/errata/RHSA-2016-1875.html	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=1355650	CVE	Issue Tracking
https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185	CVE	Issue TrackingPatch
http://www.openwall.com/lists/oss-security/2016/07/11/8	CVE	Mailing ListThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	CVE	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	CVE	Vendor Advisory
http://www.securityfocus.com/bid/91709	CVE
http://www.securitytracker.com/id/1036273	CVE
http://www.ubuntu.com/usn/USN-3070-1	CVE
http://www.ubuntu.com/usn/USN-3070-2	CVE
http://www.ubuntu.com/usn/USN-3070-3	CVE
http://www.ubuntu.com/usn/USN-3070-4	CVE
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=11f3710417d026ea2f4fcf362d866342c5274185	[email protected]	Issue TrackingPatch
http://rhn.redhat.com/errata/RHSA-2016-1847.html	[email protected]
http://rhn.redhat.com/errata/RHSA-2016-1875.html	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1355650	[email protected]	Issue Tracking
https://github.com/torvalds/linux/commit/11f3710417d026ea2f4fcf362d866342c5274185	[email protected]	Issue TrackingPatch
http://www.openwall.com/lists/oss-security/2016/07/11/8	[email protected]	Mailing ListThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	[email protected]	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html	[email protected]	Vendor Advisory
http://www.securityfocus.com/bid/91709	[email protected]
http://www.securitytracker.com/id/1036273	[email protected]
http://www.ubuntu.com/usn/USN-3070-1	[email protected]
http://www.ubuntu.com/usn/USN-3070-2	[email protected]
http://www.ubuntu.com/usn/USN-3070-3	[email protected]
http://www.ubuntu.com/usn/USN-3070-4	[email protected]

see all 28 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
oracle linux	6
CPE cpe:2.3:o:oracle:linux:6:::::::* Remediation No remediation found in references.
linux linux kernel	<= 4.5.7
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
oracle vm server	3.4
CPE cpe:2.3:o:oracle:vm_server:3.4:::::::* Remediation No remediation found in references.

Change History

14 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 6, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Dec 27, 2019	CPE Deprecation Remap	[email protected]
Jan 5, 2018	CVE Modified	[email protected]
Sep 1, 2017	CVE Modified	[email protected]
Nov 28, 2016	CVE Modified	[email protected]
Sep 28, 2016	Modified Analysis	[email protected]
Sep 28, 2016	CVE Modified	[email protected]
Sep 12, 2016	Modified Analysis	[email protected]
Sep 9, 2016	CVE Modified	[email protected]
Aug 11, 2016	Modified Analysis	[email protected]
Aug 10, 2016	Initial Analysis	[email protected]

CVE-2016-6197 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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