VULNERABILITY INTELLIGENCE

CVE-2017-2596

CVSS score6.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2017-02-06
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Description

The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references.

Weakness classification

  • CWE-772: Missing Release of Resource after Effective Lifetime

Primary references