Bug 1808130 (CVE-2020-1750)

Summary:	CVE-2020-1750 machine-config-operator-container: mmap stressor makes the cluster unresponsive
Product:	[Other] Security Response	Reporter:	Jason Shepherd <jshepherd>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	amurdaca, bmontgom, eparis, hannsj_uhl, jburrell, jokerman, nstielau, sponnaga
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	openshift/machine-config-operator 4.4.3, openshift/machine-config-operator 4.3.25, openshift/machine-config-operator 4.2.36	Doc Type:	If docs needed, set a value
Doc Text:	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.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-04 16:31:54 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1806786, 1808138, 1808139
Bug Blocks:	1807756

Description Jason Shepherd 2020-02-27 21:50:17 UTC

A flaw was found in machine-config-operator that causes an OpenShift node to become unresponsive when a container consumes a large amount of memory. An attacker can use this flaw to deny access to schedule new pods in the OpenShift cluster.

Upstream commit: https://github.com/openshift/machine-config-operator/pull/1450

Comment 4 Jason Shepherd 2020-03-01 20:41:01 UTC

Acknowledgments:

Name: Cheryl A Fillekes (IBM)

Comment 5 errata-xmlrpc 2020-05-04 10:51:12 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.4

Via RHSA-2020:1939 https://access.redhat.com/errata/RHSA-2020:1939

Comment 6 Product Security DevOps Team 2020-05-04 16:31:54 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-1750

Comment 7 errata-xmlrpc 2020-06-17 20:16:42 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.3

Via RHSA-2020:2439 https://access.redhat.com/errata/RHSA-2020:2439

Comment 8 errata-xmlrpc 2020-07-01 16:06:34 UTC

This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.2

Via RHSA-2020:2595 https://access.redhat.com/errata/RHSA-2020:2595