CVE-2014-8559

moderate-risk
Published 2014-11-10

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.

Do I need to act?

-
0.06% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (13)

Affected Vendors

Opensuse Novell Suse Linux Oracle Canonical

References (62)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-1976.html
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2015-1978.html
Broken Link http://secunia.com/advisories/62801
Exploit http://www.debian.org/security/2015/dsa-3170
Mailing List http://www.openwall.com/lists/oss-security/2014/10/30/7
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.h...
Third Party Advisory http://www.securityfocus.com/bid/70854
Third Party Advisory http://www.securitytracker.com/id/1034051
Third Party Advisory http://www.ubuntu.com/usn/USN-2492-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2493-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2515-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2516-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2517-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2518-1
and 42 more references
35
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 17/34 · Moderate