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==========================================================================
Ubuntu Security Notice USN-1825-1
May 16, 2013
linux vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary:
The system could be made to run programs as an administrator.
Software Description:
- linux: Linux kernel
Details:
An flaw was discovered in the Linux kernel's perf_events interface. A local
user could exploit this flaw to escalate privileges on the system.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
linux-image-3.2.0-43-generic 3.2.0-43.68
linux-image-3.2.0-43-generic-pae 3.2.0-43.68
linux-image-3.2.0-43-highbank 3.2.0-43.68
linux-image-3.2.0-43-omap 3.2.0-43.68
linux-image-3.2.0-43-powerpc-smp 3.2.0-43.68
linux-image-3.2.0-43-powerpc64-smp 3.2.0-43.68
linux-image-3.2.0-43-virtual 3.2.0-43.68
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. If
you use linux-restricted-modules, you have to update that package as
well to get modules which work with the new kernel version. Unless you
manually uninstalled the standard kernel metapackages (e.g. linux-generic,
linux-server, linux-powerpc), a standard system upgrade will automatically
perform this as well.
References:
http://www.ubuntu.com/usn/usn-1825-1
CVE-2013-2094
Package Information:
https://launchpad.net/ubuntu/+source/linux/3.2.0-43.68
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