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Mend.io Vulnerability Database

CVE-2016-6198

Date: August 6, 2016

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.

Language: C

Severity Score

5.5

Related Resources (20)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-6198

Url: https://security-tracker.debian.org/tracker/CVE-2016-6198

Url: https://github.com/torvalds/linux/commit/54d5ca871e72f2bb172ec9323497f01cd5091ec7

Url: https://access.redhat.com/security/cve/CVE-2016-6198

Url: http://rhn.redhat.com/errata/RHSA-2016-1847.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-6198

Url: http://rhn.redhat.com/errata/RHSA-2016-1875.html

Url: http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Url: http://rhn.redhat.com/errata/RHSA-2016-2584.html

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54d5ca871e72f2bb172ec9323497f01cd5091ec7

Url: http://www.openwall.com/lists/oss-security/2016/07/11/8

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1355654

Url: http://rhn.redhat.com/errata/RHSA-2016-2574.html

Url: http://www.securitytracker.com/id/1036273

Url: http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

Url: https://github.com/torvalds/linux/commit/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca

Url: http://www.securityfocus.com/bid/91709

Url: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca

Url: https://www.mend.io/vulnerability-database/CVE-2016-6198

Severity Score

5.5

Weakness Type (CWE)

Improper Access Control

CWE-284

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.9
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	COMPLETE
Additional information:

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CVE-2016-6198

Date: August 6, 2016

Language: C

Severity Score

Related Resources (20)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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