CVE-2017-14340

Name: CVE-2017-14340
Creator: NVD / NIST
Published: 2017-09-15T11:29:00.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.42%

Last modified Jun 17, 2026

CVE-2017-14340 is a vulnerability of currently unknown severity. The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

The XFS_IS_REALTIME_INODE macro in fs/xfs/xfs_linux.h in the Linux kernel before 4.13.2 does not verify that a filesystem has a realtime device, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via vectors related to setting an RHINHERIT flag on a directory.

Metrics

EPSS Probability

0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.13.1

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
http://seclists.org/oss-sec/2017/q3/436Mailing List, Mitigation, Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3981
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/100851Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2918
https://bugzilla.redhat.com/show_bug.cgi?id=1491344Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory
http://seclists.org/oss-sec/2017/q3/436Mailing List, Mitigation, Patch, Third Party Advisory
http://www.debian.org/security/2017/dsa-3981
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.2Release Notes, Vendor Advisory
http://www.securityfocus.com/bid/100851Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:2918
https://bugzilla.redhat.com/show_bug.cgi?id=1491344Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/b31ff3cdf540110da4572e3e29bd172087af65ccIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Sep 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14340?

How severe is CVE-2017-14340?

Severity scoring for CVE-2017-14340 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14340?

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-2017-14340?

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

Scan your code now

Source: NVD / NIST