National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-8086 Detail

Description

Race condition in the ext4_file_write_iter function in fs/ext4/file.c in the Linux kernel through 3.17 allows local users to cause a denial of service (file unavailability) via a combination of a write action and an F_SETFL fcntl operation for the O_DIRECT flag.

Source:  MITRE
Description Last Modified:  10/13/2014

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
http://rhn.redhat.com/errata/RHSA-2015-0290.html
http://rhn.redhat.com/errata/RHSA-2015-0694.html
http://www.openwall.com/lists/oss-security/2014/10/09/25
http://www.securityfocus.com/bid/70376
http://www.spinics.net/lists/linux-ext4/msg45683.html Exploit
http://www.spinics.net/lists/linux-ext4/msg45685.html Exploit
https://bugzilla.redhat.com/show_bug.cgi?id=1151353
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922
https://lkml.org/lkml/2014/10/8/545 Exploit
https://lkml.org/lkml/2014/10/9/129 Exploit

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.3

Configuration 1
OR
cpe:/o:linux:linux_kernel:3.0:rc1
cpe:/o:linux:linux_kernel:3.0:rc2
cpe:/o:linux:linux_kernel:3.0:rc3
cpe:/o:linux:linux_kernel:3.0:rc4
cpe:/o:linux:linux_kernel:3.0:rc5
cpe:/o:linux:linux_kernel:3.0:rc6
cpe:/o:linux:linux_kernel:3.0:rc7
cpe:/o:linux:linux_kernel:3.0.1
cpe:/o:linux:linux_kernel:3.0.2
cpe:/o:linux:linux_kernel:3.0.3
cpe:/o:linux:linux_kernel:3.0.4
cpe:/o:linux:linux_kernel:3.0.5
cpe:/o:linux:linux_kernel:3.0.6
cpe:/o:linux:linux_kernel:3.0.7
cpe:/o:linux:linux_kernel:3.0.8
cpe:/o:linux:linux_kernel:3.0.9
cpe:/o:linux:linux_kernel:3.0.10
cpe:/o:linux:linux_kernel:3.0.11
cpe:/o:linux:linux_kernel:3.0.12
cpe:/o:linux:linux_kernel:3.0.13
cpe:/o:linux:linux_kernel:3.0.14
cpe:/o:linux:linux_kernel:3.0.15
cpe:/o:linux:linux_kernel:3.0.16
cpe:/o:linux:linux_kernel:3.0.17
cpe:/o:linux:linux_kernel:3.0.18
cpe:/o:linux:linux_kernel:3.0.19
cpe:/o:linux:linux_kernel:3.0.20
cpe:/o:linux:linux_kernel:3.0.21
cpe:/o:linux:linux_kernel:3.0.22
cpe:/o:linux:linux_kernel:3.0.23
cpe:/o:linux:linux_kernel:3.0.24
cpe:/o:linux:linux_kernel:3.0.25
cpe:/o:linux:linux_kernel:3.0.26
cpe:/o:linux:linux_kernel:3.0.27
cpe:/o:linux:linux_kernel:3.0.28
cpe:/o:linux:linux_kernel:3.0.29
cpe:/o:linux:linux_kernel:3.0.30
cpe:/o:linux:linux_kernel:3.0.31
cpe:/o:linux:linux_kernel:3.0.32
cpe:/o:linux:linux_kernel:3.0.33
cpe:/o:linux:linux_kernel:3.0.34
cpe:/o:linux:linux_kernel:3.0.35
cpe:/o:linux:linux_kernel:3.0.36
cpe:/o:linux:linux_kernel:3.0.37
cpe:/o:linux:linux_kernel:3.0.38
cpe:/o:linux:linux_kernel:3.0.39
cpe:/o:linux:linux_kernel:3.0.40
cpe:/o:linux:linux_kernel:3.0.41
cpe:/o:linux:linux_kernel:3.0.42
cpe:/o:linux:linux_kernel:3.0.43
cpe:/o:linux:linux_kernel:3.0.44
cpe:/o:linux:linux_kernel:3.0.45
cpe:/o:linux:linux_kernel:3.0.46
cpe:/o:linux:linux_kernel:3.0.47
cpe:/o:linux:linux_kernel:3.0.48
cpe:/o:linux:linux_kernel:3.0.49
cpe:/o:linux:linux_kernel:3.0.50
cpe:/o:linux:linux_kernel:3.0.51
cpe:/o:linux:linux_kernel:3.0.52
cpe:/o:linux:linux_kernel:3.0.53
cpe:/o:linux:linux_kernel:3.0.54
cpe:/o:linux:linux_kernel:3.0.55
cpe:/o:linux:linux_kernel:3.0.56
cpe:/o:linux:linux_kernel:3.0.57
cpe:/o:linux:linux_kernel:3.0.58
cpe:/o:linux:linux_kernel:3.0.59
cpe:/o:linux:linux_kernel:3.0.60
cpe:/o:linux:linux_kernel:3.0.61
cpe:/o:linux:linux_kernel:3.0.62
cpe:/o:linux:linux_kernel:3.0.63
cpe:/o:linux:linux_kernel:3.0.64
cpe:/o:linux:linux_kernel:3.0.65
cpe:/o:linux:linux_kernel:3.0.66
cpe:/o:linux:linux_kernel:3.0.67
cpe:/o:linux:linux_kernel:3.0.68
cpe:/o:linux:linux_kernel:3.1
cpe:/o:linux:linux_kernel:3.1:rc1
cpe:/o:linux:linux_kernel:3.1:rc2
cpe:/o:linux:linux_kernel:3.1:rc3
cpe:/o:linux:linux_kernel:3.1:rc4
cpe:/o:linux:linux_kernel:3.1.1
cpe:/o:linux:linux_kernel:3.1.2
cpe:/o:linux:linux_kernel:3.1.3
cpe:/o:linux:linux_kernel:3.1.4
cpe:/o:linux:linux_kernel:3.1.5
cpe:/o:linux:linux_kernel:3.1.6
cpe:/o:linux:linux_kernel:3.1.7
cpe:/o:linux:linux_kernel:3.1.8
cpe:/o:linux:linux_kernel:3.1.9
cpe:/o:linux:linux_kernel:3.1.10
cpe:/o:linux:linux_kernel:3.2
cpe:/o:linux:linux_kernel:3.2::~~~~x86~
cpe:/o:linux:linux_kernel:3.2:rc2
cpe:/o:linux:linux_kernel:3.2:rc3
cpe:/o:linux:linux_kernel:3.2:rc4
cpe:/o:linux:linux_kernel:3.2:rc5
cpe:/o:linux:linux_kernel:3.2:rc6
cpe:/o:linux:linux_kernel:3.2:rc7
cpe:/o:linux:linux_kernel:3.2.1
cpe:/o:linux:linux_kernel:3.2.1::~~~~x86~
cpe:/o:linux:linux_kernel:3.2.2
Showing 100 of 427 CPEs, view all CPEs here.

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Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-8086
NVD Published Date:
10/13/2014
NVD Last Modified:
09/07/2017