What is CVE-2018-17154?

CVE-2018-17154 is a medium-severity vulnerability in Freebsd, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-09-28.

How severe is CVE-2018-17154?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2018-17154 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Freebsd

CVE-2018-17154

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: 0.003 (24.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Freebsd — versions 11.2 before 11.2-RELEASE-p4, 11.1, 11.1 before 11.1-RELEASE-p15

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

secteam@freebsd.org (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-17154?: CVE-2018-17154 is a medium-severity vulnerability in Freebsd, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-09-28.
How severe is CVE-2018-17154?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-17154 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.