CVE-2018-6921 — MEDIUM (5.5)

Q: How severe is CVE-2018-6921?

CVE-2018-6921 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-6921?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.

Vulnerability 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.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Freebsd	Freebsd	>= 11.0, < 11.1

Related Weaknesses (CWE)

CWE-200

References

http://www.securityfocus.com/bid/104118Third Party AdvisoryVDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:05.mem.ascVendor Advisory
http://www.securityfocus.com/bid/104118Third Party AdvisoryVDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-EN-18:05.mem.ascVendor Advisory

FAQ

What is CVE-2018-6921?

CVE-2018-6921 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 t...

How severe is CVE-2018-6921?

CVE-2018-6921 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-6921?

Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.