SARA / Free Tools / CVE / CVE-2024-0793

CVE-2024-0793 — A flaw was found in kube-controller-manager

A flaw was found in kube-controller-manager. This issue occurs when the initial application of a HPA config YAML lacking a .spec.behavior.scaleUp block causes a denial of service due to KCM pods going into restart churn.

CVSS

7.7 HIGH

EPSS

0.14% (top 66.90%)

CWE

CWE-20

Published

2024-11-17T10:45:50.457Z

Last modified

2024-11-17T16:16:49.847Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

02Affected products

Vendor	Product	Versions
?	?	0
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified
Red Hat	Red Hat OpenShift Container Platform 4	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2024-11-17T10:45:50.457Z
Last modified: 2024-11-17T16:16:49.847Z

09References

access.redhat.com — https://access.redhat.com/errata/RHSA-2024:0741
access.redhat.com — https://access.redhat.com/errata/RHSA-2024:1267
access.redhat.com — https://access.redhat.com/security/cve/CVE-2024-0793
bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=2214402
github.com — https://github.com/openshift/kubernetes/pull/1876

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