Array index error in the aio_read_events_ring function in fs/aio.c in the Linux kernel through 3.15.1 allows local users to obtain sensitive information from kernel memory via a large head value.
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=edfbbf388f293d70bf4b7c0bc38774d05e6f711a
secunia.com/advisories/59278
www.securityfocus.com/bid/68176
www.securitytracker.com/id/1030479
www.securitytracker.com/id/1038201
bugzilla.redhat.com/show_bug.cgi?id=1094602
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=edfbbf388f29
github.com/torvalds/linux/commit/edfbbf388f293d70bf4b7c0bc38774d05e6f711a
source.android.com/security/bulletin/2017-04-01
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.46
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.24
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.10
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.3