Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.17.2 |
| Canonical | Ubuntu Linux | 12.04 |
| 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 |
| Suse | Linux Enterprise Software Development Kit | 12 |
| Suse | Linux Enterprise Workstation Extension | 12 |
| Suse | Suse Linux Enterprise Server | 11 |
| Oracle | Linux | 7 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.htmlMailing ListThird 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-3170ExploitPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/10/30/7Mailing ListThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.hThird Party Advisory
- http://www.securityfocus.com/bid/70854Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1034051Third Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2492-1Third Party Advisory
FAQ
What is CVE-2014-8559?
CVE-2014-8559 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 syste...
How severe is CVE-2014-8559?
CVE-2014-8559 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-8559?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Opensuse Evergreen.