CVE-2018-17154: freebsd NULL Pointer Dereference
CVSS: 5.5v3.0MediumModified
Published 28-09-2018Last modified 16-09-2024
Vulnerability summary
CVE-2018-17154 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in freebsd. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 24% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
0.32%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-09-2018PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
24%
Versus all other CVEs
30-day change
-0.03 pp
From 0.35% on 21-09-2026
21-09-202621-10-2026
EPSS score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Freebsd1 product
- freebsdEOL11.2 before 11.2-RELEASE-p4 | 11.1 before 11.1-RELEASE-p15 | < 11.2 | 11.1:p15 | 11.2:p4
1 vendor · 1 product