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An ISC DHCP security update has been released for Gentoo Linux.



GLSA 202305-22 : ISC DHCP: Multiple Vulnerabilities


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Gentoo Linux Security Advisory GLSA 202305-22
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  https://security.gentoo.org/
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Severity: Normal
Title: ISC DHCP: Multiple Vulnerabilities
Date: May 03, 2023
Bugs: #875521, #792324
ID: 202305-22

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Synopsis
=======
Multiple vulnerabilities have been discovered in ISC DHCP, the worst of
which could result in denial of service.

Background
=========
ISC DHCP is ISC's reference implementation of all aspects of the Dynamic
Host Configuration Protocol.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/dhcp < 4.4.3_p1 >= 4.4.3_p1

Description
==========
Multiple vulnerabilities have been discovered in ISC DHCP. Please review
the CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

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

Resolution
=========
All ISC DHCP users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/dhcp-4.4.3_p1"

References
=========
[ 1 ] CVE-2021-25217
  https://nvd.nist.gov/vuln/detail/CVE-2021-25217
[ 2 ] CVE-2022-2928
  https://nvd.nist.gov/vuln/detail/CVE-2022-2928
[ 3 ] CVE-2022-2929
  https://nvd.nist.gov/vuln/detail/CVE-2022-2929

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

  https://security.gentoo.org/glsa/202305-22

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 2023 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