VULNERABILITY INTELLIGENCE

CVE-2018-6920

CVSS score5.5 MEDIUM

EPSS probability0.31%

CISA KEVNot currently listed

Published2018-05-08

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

In FreeBSD before 11.1-STABLE(r332303), 11.1-RELEASE-p10, 10.4-STABLE(r332321), and 10.4-RELEASE-p9, due to insufficient initialization of memory copied to userland in the Linux subsystem and Atheros wireless driver, small amounts of kernel memory may be disclosed to userland processes. Unprivileged authenticated local users may be able to access small amounts of privileged kernel data.

Weakness classification

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Primary references

secteam@freebsd.org — Third Party Advisory, VDB Entry
secteam@freebsd.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory