In FreeBSD before 11.2-STABLE(r338987), 11.2-RELEASE-p4, and 11.1-RELEASE-p15, due to insufficient memory checking in the freebsd4_getfssta…

published 2018-09-28 8y ago modified 2026-06-17 4mo ago also EUVD-2018-8929

cvss: 5.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

freebsd freebsd 11.2

security.freebsd.org/advisories/FreeBSD-EN-18:10.syscall.asc advisory

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Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	4.9	AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

FreeBSD FreeBSD

Classification

Weakness

CWE-476 NULL Pointer Dereference

References

security.freebsd.org /advisories/FreeBSD-EN-18:10.syscall.asc
patch, vendor-advisory

Sources

CVE List CVE-2018-17154
NVD CVE-2018-17154

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