Gentoo Linux Security Advisory 202008-06 ≈ Packet Storm – Digitalmunition




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Published on August 10th, 2020 📆 | 6743 Views ⚑

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Gentoo Linux Security Advisory 202008-06 ≈ Packet Storm

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Gentoo Linux Security Advisory GLSA 202008-06
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https://security.gentoo.org/
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Severity: Normal
Title: iproute2: Denial of service
Date: August 08, 2020
Bugs: #722144
ID: 202008-06

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Synopsis
=======
A use-after-free was found in iproute2, possibly allowing a Denial of
Service condition.

Background
=========
iproute2 is a set of tools for managing Linux network routing and
advanced features.

Affected packages
================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-apps/iproute2 < 5.1.0 >= 5.1.0

Description
==========
iproute2 was found to contain a use-after-free in get_netnsid_from_name
in ip/ipnetns.c.

Impact
=====
A remote attacker, able to feed iproute2 crafted data, may be able to
cause a Denial of Service condition.

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

Resolution
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All iproute2 users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-apps/iproute2-5.1.0”

References
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[ 1 ] CVE-2019-20795
https://nvd.nist.gov/vuln/detail/CVE-2019-20795

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

https://security.gentoo.org/glsa/202008-06

Concerns?
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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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
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Copyright 2020 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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