CVE-2018-6920

low-risk

Published 2018-05-08

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.

Do I need to act?

0.06% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.5/10 Medium

LOCAL / LOW complexity

Affected Products (1)

Freebsd

Affected Vendors

Freebsd

References (4)

Third Party Advisory http://www.securityfocus.com/bid/104114

Vendor Advisory https://security.FreeBSD.org/advisories/FreeBSD-EN-18:05.mem.asc

Third Party Advisory http://www.securityfocus.com/bid/104114

Vendor Advisory https://security.FreeBSD.org/advisories/FreeBSD-EN-18:05.mem.asc

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low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal