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NVD Vulnerability Details :
CVE-2021-3631
Modified
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-02 Mar, 2022 | 23:15
Updated At-01 Apr, 2024 | 13:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.3MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary2.03.3LOW
AV:L/AC:M/Au:N/C:P/I:P/A:N
Type: Primary
Version: 3.1
Base score: 6.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Primary
Version: 2.0
Base score: 3.3
Base severity: LOW
Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:N
CPE Matches
Red Hat, Inc.
redhat
>>libvirt>>Versions before 7.5.0(exclusive)
cpe:2.3:a:redhat:libvirt:*:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.8
cpe:2.3:a:redhat:openshift_container_platform:4.8:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*
NetApp, Inc.
netapp
>>ontap_select_deploy_administration_utility>>-
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-732Primarysecalert@redhat.com
CWE-732Secondarynvd@nist.gov
CWE ID: CWE-732
Type: Primary
Source: secalert@redhat.com
CWE ID: CWE-732
Type: Secondary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://access.redhat.com/errata/RHSA-2021:3631secalert@redhat.com
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1977726secalert@redhat.com
Issue Tracking
Vendor Advisory
https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2secalert@redhat.com
Patch
Third Party Advisory
https://gitlab.com/libvirt/libvirt/-/issues/153secalert@redhat.com
Exploit
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/04/msg00000.htmlsecalert@redhat.com
N/A
https://security.gentoo.org/glsa/202210-06secalert@redhat.com
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220331-0010/secalert@redhat.com
Third Party Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2021:3631
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1977726
Source: secalert@redhat.com
Resource:
Issue Tracking
Vendor Advisory
Hyperlink: https://gitlab.com/libvirt/libvirt/-/commit/15073504dbb624d3f6c911e85557019d3620fdb2
Source: secalert@redhat.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://gitlab.com/libvirt/libvirt/-/issues/153
Source: secalert@redhat.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://security.gentoo.org/glsa/202210-06
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: https://security.netapp.com/advisory/ntap-20220331-0010/
Source: secalert@redhat.com
Resource:
Third Party Advisory
Change History
0Changes found
Details not found