VULNERABILITY INTELLIGENCE

CVE-2016-9777

CVSS score7.8 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2016-12-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

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.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references