What’s Vulnerable › Vulnerabilities

CVE-2014-8559

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-11-10 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 14.10
• Linux kernel: through 3.17.2
• Novell Suse Linux Enterprise Desktop: 12.0
• Novell Suse Linux Enterprise Server: 12.0
• openSUSE Evergreen: 11.4
• Opensuse: 13.1
• Oracle Corporation Oracle Linux: 7
• SUSE Linux Enterprise Real Time Extension: 11-sp3
• SUSE Linux Enterprise Software Development Kit: 12
• SUSE Linux Enterprise Workstation Extension: 12
• SUSE Linux Enterprise: 11-sp2

References

• 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

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