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[gentoo-announce] [ GLSA 202608-11 ] haveged: Privilege escalation

Posted on 15 August 2026
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202608-11
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https://security.gentoo.org/
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Severity: High
Title: haveged: Privilege escalation
Date: August 15, 2026
Bugs: #975496
ID: 202608-11

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Synopsis
========
A vulnerability has been discovered in haveged which could allow local
privilege escalation

Background
==========
haveged is a simple entropy daemon using the HAVEGE algorithm.

Affected packages
=================
Package Vulnerable Unaffected
---------------- ------------ ------------
sys-apps/haveged < 1.9.21 >= 1.9.21

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

Impact
======
Root privilege escalation may be achieved by an attacker.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All haveged users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/haveged-1.9.21"

Alternatively, consider not using haveged anymore on modern Linux kernel
versions, per https://www.openwall.com/lists/oss-security/2026/05/19/4

References
==========
[ 1 ] CVE-2026-41054
https://nvd.nist.gov/vuln/detail/CVE-2026-41054

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

https://security.gentoo.org/glsa/202608-11

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 2026 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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