CVE-2014-8559
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.9 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
24.4%
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
lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html
lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com/errata/RHSA-2015-1976.html
rhn.redhat.com/errata/RHSA-2015-1978.html
secunia.com/advisories/62801
www.debian.org/security/2015/dsa-3170
www.openwall.com/lists/oss-security/2014/10/30/7
www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
www.securityfocus.com/bid/70854
www.securitytracker.com/id/1034051
www.ubuntu.com/usn/USN-2492-1
www.ubuntu.com/usn/USN-2493-1
www.ubuntu.com/usn/USN-2515-1
www.ubuntu.com/usn/USN-2516-1
www.ubuntu.com/usn/USN-2517-1
www.ubuntu.com/usn/USN-2518-1
bugzilla.redhat.com/show_bug.cgi?id=1159313
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=946e51f2bf37f1656916eb75bd0742ba33983c28
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca5358ef75fc69fee5322a38a340f5739d997c10
lkml.org/lkml/2014/10/25/171
lkml.org/lkml/2014/10/25/179
lkml.org/lkml/2014/10/25/180
lkml.org/lkml/2014/10/26/101
lkml.org/lkml/2014/10/26/116
lkml.org/lkml/2014/10/26/128
lkml.org/lkml/2014/10/26/129
support.f5.com/csp/article/K05211147
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
4.9 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
0.001 Low
EPSS
Percentile
24.4%