CVE-2018-17154

Name: CVE-2018-17154
Creator: NVD / NIST
Published: 2018-09-28T13:29:00.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.32%

Last modified Jun 17, 2026

CVE-2018-17154 is a vulnerability of currently unknown severity. In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfsstat system call, a NULL pointer dereference can occur. Unprivileged authenticated local users may be able to cause a denial of service.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfsstat system call, a NULL pointer dereference can occur. Unprivileged authenticated local users may be able to cause a denial of service.

Metrics

EPSS Probability

0.32%

24.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions	Update
Freebsd	Freebsd	< 11.2	—
Freebsd	Freebsd	11.1	P15
Freebsd	Freebsd	11.2	P4

References

https://security.FreeBSD.org/advisories/FreeBSD-EN-18:10.syscall.ascPatch, Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:10.syscall.ascPatch, Vendor Advisory

Timeline

Published: Sep 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-17154?

How severe is CVE-2018-17154?

Severity scoring for CVE-2018-17154 is pending analysis. The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2018-17154?

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-2018-17154?

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

Scan your code now

Source: NVD / NIST