CVE-2016-4020

Published May 25, 2016

Last updated 2 years ago

Overview

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).
Source
secalert@redhat.com
NVD status
Modified

Social media

Hype score
Not currently trending

Risk scores

CVSS 3.1

Type
Primary
Base score
6.5
Impact score
4
Exploitability score
2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
2.1
Impact score
2.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:P/I:N/A:N

Weaknesses

nvd@nist.gov
NVD-CWE-noinfo

Configurations