drivers/vfio/pci/vfio_pci.c in the Linux kernel through 4.8.11 allows local users to bypass integer overflow checks, and cause a denial of service (memory corruption) or have unspecified other impact, by leveraging access to a vfio PCI device file for a VFIO_DEVICE_SET_IRQS ioctl call, aka a "state machine confusion bug."
http://rhn.redhat.com/errata/RHSA-2017-0386.html
http://rhn.redhat.com/errata/RHSA-2017-0387.html
http://www.openwall.com/lists/oss-security/2016/10/26/11
http://www.securityfocus.com/bid/93929
https://bugzilla.redhat.com/show_bug.cgi?id=1389258
https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a
Source: MITRE
Published: 2016-11-28
Updated: 2018-01-05
Type: CWE-119
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH