CVE-2014-8559medium
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.
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
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://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
Details
Source: MITRE
Published: 2014-11-10
Updated: 2020-08-13
Type: CWE-400
Risk Information
CVSS v2
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
CVSS v3
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM