CVE-2021-3631

MediumCVSS 6.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-732

Affected software

No affected versions have been published.

Timeline

Published: Mar 2, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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