{"id":"CVE-2016-9777","details":"KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or cause a denial of service (out-of-bounds array access and host OS crash) via a crafted interrupt request, related to arch/x86/kvm/ioapic.c and arch/x86/kvm/ioapic.h.","modified":"2026-03-15T22:12:38.505035Z","published":"2016-12-28T07:59:00.510Z","references":[{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94640"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1400804"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2016/12/02/2"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"4.8"},{"fixed":"4.8.12"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-9777.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"}]}