Fabio Massimo Di Nitto discovered that cman did not correctly validatethe size of client messages. A local user could send a specially craftedmessage and execute arbitrary code with cluster manager privileges orcrash the manager, leading to a denial of service. The problem can be corrected by updating your system to the following package version: To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system upgrade is sufficient to effect thenecessary changes. LP: 121780
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– Scott Cheney, Manager of Information Security, Sierra View Medical Center