Integer overflow in the aio_setup_single_vector function in fs/aio.c in the Linux kernel 4.0 allows local users to cause a denial of service or possibly have unspecified other impact via a large AIO iovec. NOTE: this vulnerability exists because of a CVE-2012-6701 regression.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c185ce06dca14f5cea192f5a2c981ef50663f2b
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c4f4b82694fe48b02f7a881a1797131a6dad1364
www.debian.org/security/2016/dsa-3503
www.openwall.com/lists/oss-security/2016/03/02/9
www.ubuntu.com/usn/USN-2968-1
www.ubuntu.com/usn/USN-2968-2
www.ubuntu.com/usn/USN-2969-1
www.ubuntu.com/usn/USN-2970-1
access.redhat.com/errata/RHSA-2018:1854
access.redhat.com/errata/RHSA-2018:3083
access.redhat.com/errata/RHSA-2018:3096
bugzilla.redhat.com/show_bug.cgi?id=1314275
github.com/torvalds/linux/commit/4c185ce06dca14f5cea192f5a2c981ef50663f2b
github.com/torvalds/linux/commit/c4f4b82694fe48b02f7a881a1797131a6dad1364