Bug 2127808 (CVE-2021-25749) - CVE-2021-25749 kubelet: runAsNonRoot logic bypass for Windows containers
Summary: CVE-2021-25749 kubelet: runAsNonRoot logic bypass for Windows containers
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2021-25749
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2127809 2127810
Blocks: 2127807
TreeView+ depends on / blocked
 
Reported: 2022-09-19 05:40 UTC by Avinash Hanwate
Modified: 2023-06-26 23:49 UTC (History)
9 users (show)

Fixed In Version: kubelet 1.22.14, kubelet 1.23.11, kubelet 1.23.5, kubelet 1.25.0
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in Kubernetes. This issue allows Windows workloads to run as a ContainerAdministrator even when the workloads set the runAsNonRoot option to true.
Clone Of:
Environment:
Last Closed: 2023-01-31 15:55:28 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2022:9096 0 None None None 2023-01-30 05:48:19 UTC

Description Avinash Hanwate 2022-09-19 05:40:08 UTC 
A security issue was discovered in Kubernetes that could allow Windows workloads to run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.

ref: https://github.com/rancher/rancher/issues/38949
Comment 1 Avinash Hanwate 2022-09-19 05:40:33 UTC 
Created golang-k8s-kubernetes tracking bugs for this issue:

Affects: fedora-all [bug 2127809]


Created origin tracking bugs for this issue:

Affects: fedora-all [bug 2127810]
Comment 2 Sage McTaggart 2022-09-21 14:33:23 UTC 
Affects only Windows machines.
Comment 13 errata-xmlrpc 2023-01-30 05:48:17 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Container Platform 4.12

Via RHSA-2022:9096 https://access.redhat.com/errata/RHSA-2022:9096
Comment 14 Product Security DevOps Team 2023-01-31 15:55:25 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-2021-25749
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