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Ubuntu Security Notice USN-2928-2

Ubuntu Security Notice USN-2928-2
Posted Mar 14, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2928-2 - Andrey Konovalov discovered that the ALSA USB MIDI driver incorrectly performed a double-free. A local attacker with physical access could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2016-2384
SHA-256 | 0548ba874506e42d15a13b5b301f1959e1ec7b5fd2d22c19353fda781c5a77b3

Ubuntu Security Notice USN-2928-2

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Content-Disposition: inline

==========================================================================Ubuntu Security Notice USN-2928-2
March 14, 2016

linux-ti-omap4 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 LTS

Summary:

The system could be made to crash or run programs as an administrator
by someone with physical access.

Software Description:
- linux-ti-omap4: Linux kernel for OMAP4

Details:

Andrey Konovalov discovered that the ALSA USB MIDI driver incorrectly
performed a double-free. A local attacker with physical access could use
this to cause a denial of service (system crash) or possibly execute
arbitrary code with administrative privileges.

Update instructions:

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

Ubuntu 12.04 LTS:
linux-image-3.2.0-1479-omap4 3.2.0-1479.105

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.

References:
http://www.ubuntu.com/usn/usn-2928-2
http://www.ubuntu.com/usn/usn-2928-1
CVE-2016-2384

Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.2.0-1479.105
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