Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.17 |
| Suse | Suse Linux Enterprise Server | 11 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlMailing ListThird 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 ListThird Party Advisory
- http://www.securityfocus.com/bid/70376Third Party AdvisoryVDB Entry
- http://www.spinics.net/lists/linux-ext4/msg45683.htmlExploitMailing ListThird Party Advisory
- http://www.spinics.net/lists/linux-ext4/msg45685.htmlMailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1151353Issue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96922Third Party AdvisoryVDB Entry
- https://lkml.org/lkml/2014/10/8/545ExploitMailing ListThird Party Advisory
- https://lkml.org/lkml/2014/10/9/129ExploitMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.htmlMailing ListThird 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 ListThird Party Advisory
FAQ
What is CVE-2014-8086?
CVE-2014-8086 is a vulnerability with a CVSS score of 4.7 (MEDIUM). 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 writ...
How severe is CVE-2014-8086?
CVE-2014-8086 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-8086?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Suse Suse Linux Enterprise Server.