CVE-2016-4578: Exposure of Sensitive Information to an Unauthorized Actor

sound/core/timer.c in the Linux kernel through 4.6 does not initialize certain r1 data structures, which allows local users to obtain sensitive information from kernel stack memory via crafted use of the ALSA timer interface, related to the 1 sndtimeruserccallback and 2 sndtimerusertinterrupt...