CVE-2014-8559

Name: CVE-2014-8559
Creator: NVD / NIST
Published: 2014-11-10T11:55:09.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2014-8559 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

Description

The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does not properly maintain the semantics of rename_lock, which allows local users to cause a denial of service (deadlock and system hang) via a crafted application.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.74%

49.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 3.17.2	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	14.10	—
Novell	Suse Linux Enterprise Desktop	12.0	—
Novell	Suse Linux Enterprise Server	12.0	—
Opensuse	Evergreen	11.4	—
Opensuse	Opensuse	13.1	—
Suse	Linux Enterprise Real Time Extension	11	Sp3
Suse	Linux Enterprise Software Development Kit	12	—
Suse	Linux Enterprise Workstation Extension	12	—
Suse	Suse Linux Enterprise Server	11	Sp2
Oracle	Linux	7	—

References

http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1976.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1978.htmlThird Party Advisory
http://secunia.com/advisories/62801Broken Link
http://www.debian.org/security/2015/dsa-3170Exploit, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/30/7Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
http://www.securityfocus.com/bid/70854Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034051Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2492-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2493-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2515-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2516-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2517-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2518-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1159313Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10Mailing List, Patch, Vendor Advisory
https://lkml.org/lkml/2014/10/25/171Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/25/179Mailing List, Patch, Third Party Advisory
https://lkml.org/lkml/2014/10/25/180Mailing List, Patch, Third Party Advisory
https://lkml.org/lkml/2014/10/26/101Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/116Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/128Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/129Mailing List, Third Party Advisory
https://support.f5.com/csp/article/K05211147Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1976.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1978.htmlThird Party Advisory
http://secunia.com/advisories/62801Broken Link
http://www.debian.org/security/2015/dsa-3170Exploit, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/30/7Mailing List, Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlThird Party Advisory
http://www.securityfocus.com/bid/70854Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034051Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2492-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2493-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2515-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2516-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2517-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2518-1Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1159313Issue Tracking, Patch, Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10Mailing List, Patch, Vendor Advisory
https://lkml.org/lkml/2014/10/25/171Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/25/179Mailing List, Patch, Third Party Advisory
https://lkml.org/lkml/2014/10/25/180Mailing List, Patch, Third Party Advisory
https://lkml.org/lkml/2014/10/26/101Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/116Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/128Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/26/129Mailing List, Third Party Advisory
https://support.f5.com/csp/article/K05211147Third Party Advisory

Timeline

Published: Nov 10, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8559?

How severe is CVE-2014-8559?

CVE-2014-8559 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8559?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8559?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST