Arch Linux Security Advisory ASA-201706-35
==========================================

Severity: Medium
Date    : 2017-06-28
CVE-ID  : CVE-2017-0553
Package : libnl
Type    : privilege escalation
Remote  : No
Link    : https://security.archlinux.org/AVG-292

Summary
=======

The package libnl before version 3.3.0-1 is vulnerable to privilege
escalation.

Resolution
==========

Upgrade to 3.3.0-1.

# pacman -Syu "libnl>=3.3.0-1"

The problem has been fixed upstream in version 3.3.0.

Workaround
==========

None.

Description
===========

An integer overflow vulnerability has been found in the nlmsg_reserve()
function of libnl < 3.3.0, allowing local privilege escalation.

Impact
======

A local attacker is able to escalate privileges.

References
==========

http://git.infradead.org/users/tgr/libnl.git/commitdiff/3e18948f17148e6a3c4255bdeaaf01ef6081ceeb?hp=3dd2a0f26fa59896b4b4a262cf309a4be4aa70d3
https://security.archlinux.org/CVE-2017-0553

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