What is CVE-2018-1130?

CVE-2018-1130 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-05-10.

How severe is CVE-2018-1130?

Medium severity. CVSS v3 base score is 5.5 out of 10.

NULL pointer dereference in Linux Kernel

CVE-2018-1130

Linux kernel before version 4.16-rc7 is vulnerable to a null pointer dereference in dccp_write_xmit() function in net/dccp/output.c in that allows a local user to cause a denial of service by a number of certain crafted system calls.

Published 2018-05-10 · last modified 2026-06-17.

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:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: -0.000

Affected products

Linux Kernel — versions 4.16
Unspecified Kernel — versions kernel 4.16-rc7
Canonical Ubuntu Linux — versions 14.04, 16.04
Debian Linux — versions 7.0, 8.0
Red Hat Enterprise Linux Desktop — versions 7.0
Red Hat Enterprise Linux Server — versions 7.0
Red Hat Enterprise Linux Workstation — versions 7.0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

access.redhat.com/errata/RHSA-2018:3083 (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/07/msg00015.html (mailing-list, Mailing List, Third Party Advisory)
usn.ubuntu.com/3654-1/ (vendor-advisory, Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
syzkaller.appspot.com/bug (Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/07/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/06/msg00000.html (mailing-list, Mailing List, Third Party Advisory)
access.redhat.com/errata/RHSA-2018:1854 (vendor-advisory, Third Party Advisory)
usn.ubuntu.com/3697-1/ (vendor-advisory, Third Party Advisory)
lists.debian.org/debian-lts-announce/2018/07/msg00020.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2018-1130?: CVE-2018-1130 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-05-10.
How severe is CVE-2018-1130?: Medium severity. CVSS v3 base score is 5.5 out of 10.