CVE-2017-18216

kernel: Null pointer dereference in fs/ocfs2/cluster/nodemanager.c allows local users to cause denial of service

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · November 16, 2017

Updated · June 28, 2026

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 score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.5
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference