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Gentoo Linux Security Advisory 202405-31 – Torchsec


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Gentoo Linux Security Advisory GLSA 202405-31
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https://security.gentoo.org/
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Severity: High
Title: Kubelet: Privilege Escalation
Date: May 12, 2024
Bugs: #918665
ID: 202405-31

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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
------------------- ------------ ------------
sys-cluster/kubelet < 1.28.5 >= 1.28.5

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
==========

[ 1 ] CVE-2023-5528
https://nvd.nist.gov/vuln/detail/CVE-2023-5528

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202405-31

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.

License
=======

Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

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