Vulnerability Report

CVE-2014-8559

Title: Canonical Ubuntu Linux Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2014-8559.

CWE Category CWE-400
Published Date Nov 10, 2014
Modified Date May 06, 2026
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.05%

Vulnerability Summary

CVE-2014-8559: 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.

Impacted Vendors

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html http://rhn.redhat.com/errata/RHSA-2015-1976.html http://rhn.redhat.com/errata/RHSA-2015-1978.html http://secunia.com/advisories/62801 http://www.debian.org/security/2015/dsa-3170 http://www.openwall.com/lists/oss-security/2014/10/30/7 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/70854 http://www.securitytracker.com/id/1034051 http://www.ubuntu.com/usn/USN-2492-1 http://www.ubuntu.com/usn/USN-2493-1 http://www.ubuntu.com/usn/USN-2515-1 http://www.ubuntu.com/usn/USN-2516-1 http://www.ubuntu.com/usn/USN-2517-1 http://www.ubuntu.com/usn/USN-2518-1 https://bugzilla.redhat.com/show_bug.cgi?id=1159313 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10 https://lkml.org/lkml/2014/10/25/171 https://lkml.org/lkml/2014/10/25/179 https://lkml.org/lkml/2014/10/25/180 https://lkml.org/lkml/2014/10/26/101 https://lkml.org/lkml/2014/10/26/116 https://lkml.org/lkml/2014/10/26/128 https://lkml.org/lkml/2014/10/26/129 https://support.f5.com/csp/article/K05211147 http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html http://rhn.redhat.com/errata/RHSA-2015-1976.html http://rhn.redhat.com/errata/RHSA-2015-1978.html http://secunia.com/advisories/62801 http://www.debian.org/security/2015/dsa-3170 http://www.openwall.com/lists/oss-security/2014/10/30/7 http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html http://www.securityfocus.com/bid/70854 http://www.securitytracker.com/id/1034051 http://www.ubuntu.com/usn/USN-2492-1 http://www.ubuntu.com/usn/USN-2493-1 http://www.ubuntu.com/usn/USN-2515-1 http://www.ubuntu.com/usn/USN-2516-1 http://www.ubuntu.com/usn/USN-2517-1 http://www.ubuntu.com/usn/USN-2518-1 https://bugzilla.redhat.com/show_bug.cgi?id=1159313 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10 https://lkml.org/lkml/2014/10/25/171 https://lkml.org/lkml/2014/10/25/179 https://lkml.org/lkml/2014/10/25/180 https://lkml.org/lkml/2014/10/26/101 https://lkml.org/lkml/2014/10/26/116 https://lkml.org/lkml/2014/10/26/128 https://lkml.org/lkml/2014/10/26/129 https://support.f5.com/csp/article/K05211147
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:N/I:N/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-8559 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.