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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedDec 28, 2016
First seenDec 28, 2016

How to fix

Update
  • linux linux_kernel4.8.12 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel4.8 ≤ v < 4.8.124.8.12

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