CVE-2018-1130
MEDIUMCVSS 5.5/10EPSS 0.50%
Last modified
CVE-2018-1130 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 4.16 | — |
| Linux | Linux Kernel | 4.16 | Rc1 |
| Debian | Debian Linux | 7.0 | — |
| Debian | Debian Linux | 8.0 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Redhat | Enterprise Linux Desktop | 7.0 | — |
| Redhat | Enterprise Linux Server | 7.0 | — |
| Redhat | Enterprise Linux Workstation | 7.0 | — |
References
- https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1130Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/06/msg00000.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00015.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://marc.info/?l=linux-netdev&m=152036596825220&w=2Mailing List, Patch
- https://syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94Third Party Advisory
- https://usn.ubuntu.com/3654-1/Third Party Advisory
- https://usn.ubuntu.com/3654-2/Third Party Advisory
- https://usn.ubuntu.com/3656-1/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://usn.ubuntu.com/3698-1/Third Party Advisory
- https://usn.ubuntu.com/3698-2/Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1854Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3083Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3096Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1130Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2018/06/msg00000.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00015.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.htmlMailing List, Third Party Advisory
- https://marc.info/?l=linux-netdev&m=152036596825220&w=2Mailing List, Patch
- https://syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94Third Party Advisory
- https://usn.ubuntu.com/3654-1/Third Party Advisory
- https://usn.ubuntu.com/3654-2/Third Party Advisory
- https://usn.ubuntu.com/3656-1/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://usn.ubuntu.com/3698-1/Third Party Advisory
- https://usn.ubuntu.com/3698-2/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-1130?
CVE-2018-1130 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2018-1130?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2018-1130?
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