[manjaro-security] [arch-security] [ASA-201612-7] linux-lts: privilege escalation

[Levente Polyak]

Arch Linux Security Advisory ASA-201612-7
=========================================

Severity: High
Date    : 2016-12-06
CVE-ID  : CVE-2016-8655
Package : linux-lts
Type    : privilege escalation
Remote  : No
Link    : https://wiki.archlinux.org/index.php/CVE

Summary
=======

The package linux-lts before version 4.4.36-1 is vulnerable to
privilege escalation.

Resolution
==========

Upgrade to 4.4.36-1.

# pacman -Syu "linux-lts>=4.4.36-1"

The problem has been fixed upstream but no release is available yet.

Workaround
==========

None.

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

Philip Pettersson discovered a race condition in the af_packet
implementation in the Linux kernel. A local unprivileged attacker could
use this to cause a denial of service (system crash) or run arbitrary
code with administrative privileges.

Impact
======

A local unprivileged attacker is able to crash the system or run
arbitrary code with administrative privileges.

References
==========

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=84ac7260236a49c79eede91617700174c2c19b0c
http://seclists.org/oss-sec/2016/q4/607
https://access.redhat.com/security/cve/CVE-2016-8655

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