CVE-2018-14617

Name: CVE-2018-14617
Creator: NVD / NIST
Published: 2018-07-27T04:29:00.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.52%

Last modified Jun 17, 2026

CVE-2018-14617 is a vulnerability of currently unknown severity. An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.. EPSS estimates a 2.52% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Linux kernel through 4.17.10. There is a NULL pointer dereference and panic in hfsplus_lookup() in fs/hfsplus/dir.c when opening a file (that is purportedly a hard link) in an hfs+ filesystem that has malformed catalog data, and is mounted read-only without a metadata directory.

Metrics

EPSS Probability

2.52%

82.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 4.17.10
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04

References

http://www.securityfocus.com/bid/104917Third Party Advisory, VDB Entry
https://bugzilla.kernel.org/show_bug.cgi?id=200297Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3821-1/Third Party Advisory
https://usn.ubuntu.com/3821-2/Third Party Advisory
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4118-1/
https://www.debian.org/security/2018/dsa-4308Third Party Advisory
https://www.spinics.net/lists/linux-fsdevel/msg130021.htmlIssue Tracking, Patch, Third Party Advisory
http://www.securityfocus.com/bid/104917Third Party Advisory, VDB Entry
https://bugzilla.kernel.org/show_bug.cgi?id=200297Exploit, Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/3821-1/Third Party Advisory
https://usn.ubuntu.com/3821-2/Third Party Advisory
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4118-1/
https://www.debian.org/security/2018/dsa-4308Third Party Advisory
https://www.spinics.net/lists/linux-fsdevel/msg130021.htmlIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Jul 27, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14617?

How severe is CVE-2018-14617?

Severity scoring for CVE-2018-14617 is pending analysis. The EPSS model estimates a 2.52% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14617?

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-2018-14617?

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

Scan your code now

Source: NVD / NIST