Information disclosure in Freebsd
CVE-2018-6920
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.
Vulnerability class: Information Disclosure
EPSS: 0.003 (24.9th 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:H/I:N/A:N.
Affected products
- Freebsd — versions All supported versions of FreeBSD.
Weakness classification (CWE)
References
- secteam@freebsd.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secteam@freebsd.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-6920?
- CVE-2018-6920 is a medium-severity vulnerability in Freebsd, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-05-08.
- How severe is CVE-2018-6920?
- Medium severity. CVSS v3 base score is 5.5 out of 10.