Information disclosure in Freebsd
CVE-2018-6921
In FreeBSD before 11.1-STABLE(r332066) and 11.1-RELEASE-p10, due to insufficient initialization of memory copied to userland in the network subsystem, 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 FreeBSD 11.x prior to 11.1-RELEASE-p10.
Weakness classification (CWE)
References
- secteam@freebsd.org (x_refsource_CONFIRM, Vendor Advisory)
- secteam@freebsd.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-6921?
- CVE-2018-6921 is a medium-severity vulnerability in Freebsd, classified under Information Disclosure. CVSS score: 5.5/10. Published 2018-05-08.
- How severe is CVE-2018-6921?
- Medium severity. CVSS v3 base score is 5.5 out of 10.