GLSA 202405-31: Kubelet: Privilege Escalation

http://security.gentoo.org/

Severity:	high
Title:	Kubelet: Privilege Escalation
Date:	05/12/2024
Bugs:	#918665
ID:	202405-31

Synopsis

A vulnerability has been discovered in Kubelet, which can lead to privilege escalation.

Background

Kubelet is a Kubernetes Node Agent.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
sys-cluster/kubelet	< 1.28.5	>= 1.28.5	All supported architectures

Description

A vulnerability has been discovered in Kubelet. Please review the CVE identifier referenced below for details.

Impact

A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.

Workaround

There is no known workaround at this time.

Resolution

All Kubelet users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=sys-cluster/kubelet-1.28.5"

References

CVE-2023-5528

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202405-31.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.