CVE-2016-4440
High
Description
arch/x86/kvm/vmx.c in the Linux kernel through 4.6.3 mishandles the APICv on/off state, which allows guest OS users to obtain direct APIC MSR access on the host OS, and consequently cause a denial of service (host OS crash) or possibly execute arbitrary code on the host OS, via x2APIC mode.
SeverityHigh
CVSS7.8
Exploit probability31. percentile0.4%
Product
Linux Kernel
PublishedJun 27, 2016
First seenJun 27, 2016
How to fix
Update
- linux linux_kernel4.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.5 ≤ v < 4.7 | 4.7 |
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