5.5

CVE-2018-6925: freebsd NULL Pointer Dereference

CVSS: 5.5v3.0MediumModified
Published 28-09-2018Last modified 17-09-2024
Open JSON

Vulnerability summary

CVE-2018-6925 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 23.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.32%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-09-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

In FreeBSD before 11.2-STABLE(r338986), 11.2-RELEASE-p4, 11.1-RELEASE-p15, 10.4-STABLE(r338985), and 10.4-RELEASE-p13, due to improper maintenance of IPv6 protocol control block flags through various failure paths, an unprivileged authenticated local user may be able to cause a NULL pointer dereference causing the kernel to crash.

CVSS metrics

2 scores · 1 source · 2 versions

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 score
0.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Freebsd1 product
  • freebsdEOL11.2 before 11.2-RELEASE-p4 | 11.1 before 11.1-RELEASE-p15 | 10.x before 10.4-RELEASE-p13 | < 11.2 | 10.4 | 10.4:p13 | 11.1:p15 | 11.2:p4

1 vendor · 1 product

References

2 links