Detections
Analytics
CVE-2016-9777
high
Description
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.
References
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755
https://bugzilla.redhat.com/show_bug.cgi?id=1400804
http://www.securityfocus.com/bid/94640
http://www.openwall.com/lists/oss-security/2016/12/02/2
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12