Canonical Patches ALSA USB MIDI Linux Kernel Driver Issue in Ubuntu 12.04 LTS

The kernel vulnerability has been discovered by Andrey Konovalov in the ALSA USB MIDI driver of the upstream Linux 3.2 kernel packages, which incorrectly performed a double-free. A local attacker could have exploit the security issue if he have had physical access to the vulnerable machine running Ubuntu 12.04 LTS to crash the system by causing a denial of service (DoS) or execute code with root privileges.

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