GLSA 202008-06: iproute2: Denial of service

Severity:normal
Title:iproute2: Denial of service
Date:08/08/2020
Bugs: #722144
ID:202008-06

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 Architecture(s)
sys-apps/iproute2 < 5.1.0 >= 5.1.0 All supported architectures

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

All iproute2 users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=sys-apps/iproute2-5.1.0"
    

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202008-06.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.

License

Copyright 2010 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.

Thank you!