Description
A flaw was found in the machine-config-operator that causes an OpenShift node to become unresponsive when a container consumes a large amount of memory. An attacker could use this flaw to deny access to schedule new pods in the OpenShift cluster. This was fixed in openshift/machine-config-operator 4.4.3, openshift/machine-config-operator 4.3.25, openshift/machine-config-operator 4.2.36.
References (1)
Core 1
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1808130
Scores
CVSS v3
6.5
EPSS
0.0026
EPSS Percentile
49.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (1)
redhat/machine-config-operator
4.2.0 - 4.2.36
Published
Jun 07, 2021
Tracked Since
Feb 18, 2026