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Case File

CVE-2016-4020

MEDIUM · CVSS 6.5 EPSS 0.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2016-05-25 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.5. See the original NVD description below for full technical details.

CVE
CVE-2016-4020
Severity
MEDIUM
CVSS
6.5
EPSS
0.37%

Original NVD Description

The patch_instruction function in hw/i386/kvmvapic.c in QEMU does not initialize the imm32 variable, which allows local guest OS administrators to obtain sensitive information from host stack memory by accessing the Task Priority Register (TPR).