CVE-2014-8086

Name: CVE-2014-8086
Creator: NVD / NIST
Published: 2014-10-13T10:55:09.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2014-8086 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.37%

29.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 3.17	—
Suse	Suse Linux Enterprise Server	11	Sp2

References

http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0290.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0694.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/09/25Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/70376Third Party Advisory, VDB Entry
http://www.spinics.net/lists/linux-ext4/msg45683.htmlExploit, Mailing List, Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg45685.htmlMailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1151353Issue Tracking, Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922Third Party Advisory, VDB Entry
https://lkml.org/lkml/2014/10/8/545Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/9/129Exploit, Mailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0290.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0694.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2014/10/09/25Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/70376Third Party Advisory, VDB Entry
http://www.spinics.net/lists/linux-ext4/msg45683.htmlExploit, Mailing List, Third Party Advisory
http://www.spinics.net/lists/linux-ext4/msg45685.htmlMailing List, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1151353Issue Tracking, Patch, Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/96922Third Party Advisory, VDB Entry
https://lkml.org/lkml/2014/10/8/545Exploit, Mailing List, Third Party Advisory
https://lkml.org/lkml/2014/10/9/129Exploit, Mailing List, Third Party Advisory

Timeline

Published: Oct 13, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8086?

How severe is CVE-2014-8086?

CVE-2014-8086 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8086?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8086?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST