UBUNTU-CVE-2017-18216

Advisory lineage Upstream: 1 Downstream: 3
Published: 05 Mar 2018, 00:00
Last modified:12 May 2026, 13:44

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Mar 2018, 00:00
Published
Vulnerability first disclosed
12 May 2026, 13:44
Last Modified
Vulnerability information updated

Description

In fs/ocfs2/cluster/nodemanager.c in the Linux kernel before 4.15, local users can cause a denial of service (NULL pointer dereference and BUG) because a required mutex is not used.

CVSS Metrics

  • v3.0MEDIUMScore: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • ubuntulinux

    < 3.13.0-161.211 | < 4.4.0-137.163

  • ubuntulinux-aws

    < 4.4.0-1031.34 | < 4.4.0-1069.79

  • ubuntulinux-azure

    < 4.15.0-1013.13~16.04.2

  • ubuntulinux-azure-6.11

    all

  • ubuntulinux-azure-fde

    all

  • ubuntulinux-azure-fde-5.15

    all

  • ubuntulinux-fips

    < 4.4.0-1008.10

  • ubuntulinux-gcp

    < 4.15.0-1014.14~16.04.1

  • ubuntulinux-gcp-6.11

    all

  • ubuntulinux-gke

    all

  • ubuntulinux-hwe

    < 4.15.0-24.26~16.04.1

  • ubuntulinux-hwe-6.11

    all

  • ubuntulinux-intel-iot-realtime

    all

  • ubuntulinux-kvm

    < 4.4.0-1035.41

  • ubuntulinux-lowlatency-hwe-6.11

    all

  • ubuntulinux-lts-xenial

    < 4.4.0-137.163~14.04.1

  • ubuntulinux-raspi-realtime

    all

  • ubuntulinux-raspi2

    < 4.4.0-1098.106 | all

  • ubuntulinux-realtime

    all

  • ubuntulinux-riscv

    all | all

  • ubuntulinux-snapdragon

    < 4.4.0-1102.107

References (8)