CVE-2021-3631

Published Mar 2, 2022

Last updated 7 months ago

Overview

Description
A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.
Source
secalert@redhat.com
NVD status
Modified

Risk scores

CVSS 3.1

Type
Primary
Base score
6.3
Impact score
5.2
Exploitability score
1
Vector string
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity
MEDIUM

CVSS 2.0

Type
Primary
Base score
3.3
Impact score
4.9
Exploitability score
3.4
Vector string
AV:L/AC:M/Au:N/C:P/I:P/A:N

Weaknesses

secalert@redhat.com
CWE-732
nvd@nist.gov
CWE-732

Social media

Hype score
Not currently trending

Configurations