CVE-2016-6198

MEDIUM

Linux Kernel < 4.5.5 - Denial of Service via OverlayFS Self-Hardlink Rename

Title source: llm
STIX 2.1

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.

References (15)

Core 15
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1847.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2584.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/91709
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1875.html
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2574.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036273
Exploit, Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/07/11/8
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1355654

Scores

CVSS v3 5.5
EPSS 0.0062
EPSS Percentile 45.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-284
Status published
Products (3)
linux/linux_kernel < 4.5.4
oracle/linux 6
oracle/vm_server 3.4
Published Aug 06, 2016
Tracked Since Feb 18, 2026