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Ubuntu Security Notice USN-2153-1
March 24, 2014

initramfs-tools vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 12.10
• Ubuntu 12.04 LTS

Summary:

initramfs-tools used incorrect mount options.

Software Description:

• initramfs-tools: tools for generating an initramfs

Details:

Kees Cook discovered that initramfs-tools incorrectly mounted /run without
the noexec option, contrary to expected behaviour.

Update instructions:

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

Ubuntu 12.10:
initramfs-tools 0.103ubuntu0.2.2

Ubuntu 12.04 LTS:
initramfs-tools 0.99ubuntu13.5

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

References:
http://www.ubuntu.com/usn/usn-2153-1
https://launchpad.net/bugs/1152744

Package Information:
https://launchpad.net/ubuntu/+source/initramfs-tools/0.103ubuntu0.2.2
https://launchpad.net/ubuntu/+source/initramfs-tools/0.99ubuntu13.5

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