CVE-2018-6921

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory FreeBSD.org
Affected: FreeBSD FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:05.mem.asc vendor advisory
http://www.securityfocus.com/bid/104118 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-6921?
CVE-2018-6921 has been scored as a medium severity vulnerability.
How to fix CVE-2018-6921?
To fix CVE-2018-6921, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-6921 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-6921 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-6921?
CVE-2018-6921 affects FreeBSD FreeBSD.
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