CVE-2016-6198

5.5 MEDIUM
Published: August 06, 2016 Modified: May 06, 2026
View on NVD

Description

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
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

Patch Vendor Advisory Exploit Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
Source: cve@mitre.org
Issue Tracking Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
Source: cve@mitre.org
Issue Tracking Patch
http://rhn.redhat.com/errata/RHSA-2016-1847.html
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2016-1875.html
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Source: cve@mitre.org
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Source: cve@mitre.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Source: cve@mitre.org
Release Notes
http://www.openwall.com/lists/oss-security/2016/07/11/8
Source: cve@mitre.org
Exploit Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: cve@mitre.org
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: cve@mitre.org
Vendor Advisory
http://www.securityfocus.com/bid/91709
Source: cve@mitre.org
http://www.securitytracker.com/id/1036273
Source: cve@mitre.org
https://bugzilla.redhat.com/show_bug.cgi?id=1355654
Source: cve@mitre.org
Issue Tracking
https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7
Source: cve@mitre.org
Issue Tracking Patch
https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
Source: cve@mitre.org
Issue Tracking Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
http://rhn.redhat.com/errata/RHSA-2016-1847.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1875.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
http://www.openwall.com/lists/oss-security/2016/07/11/8
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.securityfocus.com/bid/91709
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036273
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1355654
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch
https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch

30 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.0%
11th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-284

Affected Vendors

linux oracle

Related CVEs

CVE-2026-8086 5.3
CVE-2026-8084 3.3
CVE-2026-8083 7.3
CVE-2026-44742 7.2
CVE-2026-44244 7.8