drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the kzalloc function, which allows local users to cause a denial of service (integer overflow) or have unspecified other impact by leveraging access to a vfio PCI device file.
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913a
rhn.redhat.com/errata/RHSA-2017-0386.html
rhn.redhat.com/errata/RHSA-2017-0387.html
www.openwall.com/lists/oss-security/2016/10/26/11
www.securityfocus.com/bid/93930
bugzilla.redhat.com/show_bug.cgi?id=1389259
github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a
patchwork.kernel.org/patch/9373631/