CVE-2014-8559

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Summary

CVECVE-2014-8559
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-11-10 11:55:09 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-400 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:L/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 14.10 All All All
Operating System Linux Linux Kernel All All All All
Operating System Novell Suse Linux Enterprise Desktop 12.0 All All All
Operating System Novell Suse Linux Enterprise Server 12.0 All All All
Operating System Opensuse Evergreen 11.4 All All All
Operating System Opensuse Opensuse 13.1 All All All
Operating System Oracle Linux 7 - All All
Operating System Suse Linux Enterprise Real Time Extension 11 sp3 All All
Operating System Suse Linux Enterprise Software Development Kit 12 - All All
Operating System Suse Linux Enterprise Workstation Extension 12 All All All
Operating System Suse Suse Linux Enterprise Server 11 sp2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Linux Kernel CVE-2014-8559 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
USN-2516-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE-SU-2015:0529-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2015:0714-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
LKML: Al Viro: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
LKML: Al Viro: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Third Party Advisory
LKML: Al Viro: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Patch, Third Party Advisory
[security-announce] SUSE-SU-2015:0736-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
support.f5.com/csp/article/K05211147 af854a3a-2127-422b-91ae-364da2661108 support.f5.com Third Party Advisory
Linux Kernel VFS Deadlock Lets Local Users Cause Denial of Service Conditions on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
USN-2493-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
USN-2518-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
LKML: Al Viro: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Broken Link
[security-announce] SUSE-SU-2015:0481-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
USN-2492-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
LKML: Linus Torvalds: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Mailing List, Third Party Advisory
USN-2515-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
LKML: Sasha Levin: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Exploit, Mailing List, Third Party Advisory
[security-announce] openSUSE-SU-2015:0566-1: important: kernel update fo af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Bug 1159313 – CVE-2014-8559 Kernel: fs: deadlock due to incorrect usage of rename_lock af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
oss-security - CVE-2014-8559 - Linux kernel fs/dcache.c incorrect use of rename_lock af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Mailing List, Patch, Vendor Advisory
USN-2517-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Oracle Linux Bulletin - October 2015 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
[security-announce] SUSE-SU-2015:0178-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Debian -- Security Information -- DSA-3170-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Exploit, Patch, Third Party Advisory
LKML: Al Viro: Re: fs: lockup on rename_mutex in fs/dcache.c:1035 af854a3a-2127-422b-91ae-364da2661108 lkml.org Exploit, Mailing List, Third Party Advisory
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