NULL pointer dereference in kernel
Priority LOW 25CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 20 fixed, 2 without a fix
Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-476.
Summary
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.
Why it matters now
EPSS 0.00478 41st percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 20 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| unspecified | kernel | kernel 4.16-rc7 | — | No fix listed | CNA |
- kernel Vendorunspecified Affected kernel 4.16-rc7 Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.16 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc1:*:*:*:*:*:* | 4.16 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc2:*:*:*:*:*:* | 4.16 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc3:*:*:*:*:*:* | 4.16 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc4:*:*:*:*:*:* | 4.16 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc5:*:*:*:*:*:* | 4.16 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:4.16:rc6:*:*:*:*:*:* | 4.16 rc6 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.16 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc1:*:*:*:*:*:* Versions 4.16 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc2:*:*:*:*:*:* Versions 4.16 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc3:*:*:*:*:*:* Versions 4.16 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc4:*:*:*:*:*:* Versions 4.16 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc5:*:*:*:*:*:* Versions 4.16 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:4.16:rc6:*:*:*:*:*:* Versions 4.16 rc6 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 16.04 | Vulnerable | Canonical |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 3 advisories
- RHSA-2018:3096 Released 2018-10-30 · Red Hat rating Importantkernel-rt security, bug fix, and enhancement update
- Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-957.rt56.910.el7, kernel-rt-debug-3.10.0-957.rt56.910.el7, kernel-rt-debug-devel-3.10.0-957.rt56.910.el7 +4
- Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-957.rt56.910.el7, kernel-rt-debug-3.10.0-957.rt56.910.el7, kernel-rt-debug-devel-3.10.0-957.rt56.910.el7 +7
- RHSA-2018:3083 Released 2018-10-30 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-957.el7, kernel-3.10.0-957.el7, kernel-abi-whitelists-3.10.0-957.el7 +8
- Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-957.el7, kernel-3.10.0-957.el7, kernel-abi-whitelists-3.10.0-957.el7 +8
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.el7
- Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-957.el7, kernel-3.10.0-957.el7, kernel-abi-whitelists-3.10.0-957.el7 +11
- Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-957.el7, kernel-tools-libs-devel-3.10.0-957.el7
- Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-957.el7, kernel-3.10.0-957.el7, kernel-abi-whitelists-3.10.0-957.el7 +8
- Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-957.el7
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-3.10.0-957.el7, kernel-abi-whitelists-3.10.0-957.el7, kernel-bootwrapper-3.10.0-957.el7 +10
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-3.10.0-957.el7, kernel-tools-libs-devel-3.10.0-957.el7
- RHSA-2018:1854 Released 2018-06-19 · Red Hat rating Importantkernel security and bug fix update
- Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-bootwrapper-2.6.32-754.el6 +9
- Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-754.el6
- Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-754.el6, kernel-abi-whitelists-2.6.32-754.el6, kernel-debug-2.6.32-754.el6 +6
- Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-754.el6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise MRG 2 | Affected | No fix yet |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2018:1854 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2018:3083 |
| Red Hat Enterprise Linux for Real Time (v. 7) | Fixed | RHSA-2018:3096 |
| Red Hat Enterprise Linux for Real Time for NFV (v. 7) | Fixed | RHSA-2018:3096 |
Not affected: 7 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux Client (v. 7)
- Red Hat Enterprise Linux ComputeNode (v. 7)
- Red Hat Enterprise Linux Server (v. 7)
- Red Hat Enterprise Linux Workstation (v. 7)
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)
Timeline
- 2026-10-02 Threatist record created from CVE-2018-1130
- 2026-10-03 Alias added: GHSA-97cw-x85w-v9jc
References
Patch 3
Advisory 15
- RHSA-2018:3083
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1422-1] linux security update
- USN-3654-1
- https://syzkaller.appspot.com/bug?id=833568de043e0909b2aeaef7be136db39d21ba94
- [debian-lts-announce] 20180715 [SECURITY] [DLA 1422-2] linux security update
- [debian-lts-announce] 20180601 [SECURITY] [DLA 1392-1] linux security update
- RHSA-2018:1854
- USN-3697-1
- [debian-lts-announce] 20180718 [SECURITY] [DLA 1423-1] linux-4.9 new package
- USN-3697-2
- USN-3654-2
- USN-3698-1
- USN-3656-1
- RHSA-2018:3096
- USN-3698-2
Sources
- CVE-2018-1130 · CVE Program
- CVE-2018-1130 · NVD
- FIRST EPSS
- GHSA-97cw-x85w-v9jc · GitHub Advisory Database · CC BY 4.0
- CVE-2018-1130 · Red Hat security data · CC BY 4.0
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