USN-3151-4: Linux kernel (Raspberry Pi 2) vulnerability

Ubuntu Security Notice USN-3151-4

5th December, 2016

linux-raspi2 vulnerability

A security issue affects these releases of Ubuntu and its

  • Ubuntu 16.04 LTS


The system could be made to crash or run programs as an administrator.

Software description

  • linux-raspi2
    – Linux kernel for Raspberry Pi 2


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.

Update instructions

The problem can be corrected by updating your system to the following
package version:

Ubuntu 16.04 LTS:


To update your system, please follow these instructions:

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.



Source From:
Original article title: “USN-3151-4: Linux kernel (Raspberry Pi 2) vulnerability”.
This full article can be read at USN-3151-4: Linux kernel (Raspberry Pi 2) vulnerability.


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