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.
Published: 2022-03-02
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3778-1 libvirt security update
Ubuntu USN Ubuntu USN USN-5399-1 libvirt vulnerabilities
History

Tue, 19 Nov 2024 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Netapp Ontap Select Deploy Administration Utility
Redhat Advanced Virtualization Enterprise Linux Libvirt Openshift Container Platform
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-11-19T19:33:55.041Z

Reserved: 2021-06-30T00:00:00.000Z

Link: CVE-2021-3631

cve-icon Vulnrichment

Updated: 2024-08-03T17:01:08.363Z

cve-icon NVD

Status : Modified

Published: 2022-03-02T23:15:08.677

Modified: 2024-11-21T06:22:01.480

Link: CVE-2021-3631

cve-icon Redhat

Severity : Low

Publid Date: 2021-04-13T00:00:00Z

Links: CVE-2021-3631 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses