Vulnerability Details CVE-2021-3631
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 12.6%
CVSS Severity
CVSS v3 Score 6.3
CVSS v2 Score 3.3
Products affected by CVE-2021-3631
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cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-
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cpe:2.3:a:redhat:libvirt:-
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cpe:2.3:a:redhat:libvirt:0.0.1
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cpe:2.3:a:redhat:libvirt:0.0.2
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cpe:2.3:a:redhat:libvirt:0.0.3
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cpe:2.3:a:redhat:libvirt:0.0.4
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cpe:2.3:a:redhat:libvirt:0.0.5
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cpe:2.3:a:redhat:libvirt:0.0.6
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cpe:2.3:a:redhat:libvirt:0.1.0
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cpe:2.3:a:redhat:libvirt:0.1.1
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cpe:2.3:a:redhat:libvirt:0.1.10
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cpe:2.3:a:redhat:libvirt:0.1.11
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cpe:2.3:a:redhat:libvirt:0.1.3
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cpe:2.3:a:redhat:libvirt:0.1.4
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cpe:2.3:a:redhat:libvirt:0.1.5
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cpe:2.3:a:redhat:libvirt:0.1.6
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cpe:2.3:a:redhat:libvirt:0.1.7
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cpe:2.3:a:redhat:libvirt:0.1.8
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cpe:2.3:a:redhat:libvirt:0.1.9
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cpe:2.3:a:redhat:libvirt:0.10.0
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cpe:2.3:a:redhat:libvirt:0.10.1
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cpe:2.3:a:redhat:libvirt:0.10.2
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cpe:2.3:a:redhat:libvirt:0.10.2.1
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cpe:2.3:a:redhat:libvirt:0.10.2.2
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cpe:2.3:a:redhat:libvirt:0.10.2.3
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cpe:2.3:a:redhat:libvirt:0.10.2.4
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cpe:2.3:a:redhat:libvirt:0.10.2.5
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cpe:2.3:a:redhat:libvirt:0.10.2.6
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cpe:2.3:a:redhat:libvirt:0.10.2.7
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cpe:2.3:a:redhat:libvirt:0.10.2.8
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cpe:2.3:a:redhat:libvirt:0.2.0
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cpe:2.3:a:redhat:libvirt:0.2.1
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cpe:2.3:a:redhat:libvirt:0.2.2
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cpe:2.3:a:redhat:libvirt:0.2.3
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cpe:2.3:a:redhat:libvirt:0.3.0
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cpe:2.3:a:redhat:libvirt:0.3.1
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cpe:2.3:a:redhat:libvirt:0.3.2
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cpe:2.3:a:redhat:libvirt:0.3.3
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cpe:2.3:a:redhat:libvirt:0.4.0
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cpe:2.3:a:redhat:libvirt:0.4.1
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cpe:2.3:a:redhat:libvirt:0.4.2
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cpe:2.3:a:redhat:libvirt:0.4.3
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cpe:2.3:a:redhat:libvirt:0.4.4
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cpe:2.3:a:redhat:libvirt:0.4.5
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cpe:2.3:a:redhat:libvirt:0.4.6
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cpe:2.3:a:redhat:libvirt:0.5.0
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cpe:2.3:a:redhat:libvirt:0.5.1
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cpe:2.3:a:redhat:libvirt:0.6.0
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cpe:2.3:a:redhat:libvirt:0.6.1
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cpe:2.3:a:redhat:libvirt:0.6.2
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cpe:2.3:a:redhat:libvirt:0.6.3
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cpe:2.3:a:redhat:libvirt:0.6.4
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cpe:2.3:a:redhat:libvirt:0.6.5
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cpe:2.3:a:redhat:libvirt:0.7.0
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cpe:2.3:a:redhat:libvirt:0.7.1
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cpe:2.3:a:redhat:libvirt:0.7.2
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cpe:2.3:a:redhat:libvirt:0.7.3
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cpe:2.3:a:redhat:libvirt:0.7.4
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cpe:2.3:a:redhat:libvirt:0.7.5
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cpe:2.3:a:redhat:libvirt:0.7.6
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cpe:2.3:a:redhat:libvirt:0.7.7
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cpe:2.3:a:redhat:libvirt:0.8.0
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cpe:2.3:a:redhat:libvirt:0.8.1
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cpe:2.3:a:redhat:libvirt:0.8.2
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cpe:2.3:a:redhat:libvirt:0.8.3
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cpe:2.3:a:redhat:libvirt:0.8.4
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cpe:2.3:a:redhat:libvirt:0.8.5
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cpe:2.3:a:redhat:libvirt:0.8.6
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cpe:2.3:a:redhat:libvirt:0.8.7
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cpe:2.3:a:redhat:libvirt:0.8.8
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cpe:2.3:a:redhat:libvirt:0.9.0
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cpe:2.3:a:redhat:libvirt:0.9.1
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cpe:2.3:a:redhat:libvirt:0.9.10
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cpe:2.3:a:redhat:libvirt:0.9.11
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cpe:2.3:a:redhat:libvirt:0.9.11.1
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cpe:2.3:a:redhat:libvirt:0.9.11.10
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cpe:2.3:a:redhat:libvirt:0.9.11.2
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cpe:2.3:a:redhat:libvirt:0.9.11.3
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cpe:2.3:a:redhat:libvirt:0.9.11.4
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cpe:2.3:a:redhat:libvirt:0.9.11.5
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cpe:2.3:a:redhat:libvirt:0.9.11.6
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cpe:2.3:a:redhat:libvirt:0.9.11.7
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cpe:2.3:a:redhat:libvirt:0.9.11.8
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cpe:2.3:a:redhat:libvirt:0.9.11.9
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cpe:2.3:a:redhat:libvirt:0.9.12
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cpe:2.3:a:redhat:libvirt:0.9.12.1
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cpe:2.3:a:redhat:libvirt:0.9.12.2
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cpe:2.3:a:redhat:libvirt:0.9.12.3
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cpe:2.3:a:redhat:libvirt:0.9.13
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cpe:2.3:a:redhat:libvirt:0.9.2
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cpe:2.3:a:redhat:libvirt:0.9.3
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cpe:2.3:a:redhat:libvirt:0.9.4
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cpe:2.3:a:redhat:libvirt:0.9.5
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cpe:2.3:a:redhat:libvirt:0.9.6
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cpe:2.3:a:redhat:libvirt:0.9.6.1
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cpe:2.3:a:redhat:libvirt:0.9.6.2
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cpe:2.3:a:redhat:libvirt:0.9.6.3
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cpe:2.3:a:redhat:libvirt:0.9.6.4
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cpe:2.3:a:redhat:libvirt:0.9.7
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cpe:2.3:a:redhat:libvirt:0.9.8
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cpe:2.3:a:redhat:libvirt:0.9.9
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cpe:2.3:a:redhat:libvirt:1.0.0
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cpe:2.3:a:redhat:libvirt:1.0.1
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cpe:2.3:a:redhat:libvirt:1.0.2
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cpe:2.3:a:redhat:libvirt:1.0.3
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cpe:2.3:a:redhat:libvirt:1.0.4
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cpe:2.3:a:redhat:libvirt:1.0.5
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cpe:2.3:a:redhat:libvirt:1.0.5.1
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cpe:2.3:a:redhat:libvirt:1.0.5.2
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cpe:2.3:a:redhat:libvirt:1.0.5.3
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cpe:2.3:a:redhat:libvirt:1.0.5.4
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cpe:2.3:a:redhat:libvirt:1.0.5.5
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cpe:2.3:a:redhat:libvirt:1.0.5.6
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cpe:2.3:a:redhat:libvirt:1.0.5.7
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cpe:2.3:a:redhat:libvirt:1.0.5.8
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cpe:2.3:a:redhat:libvirt:1.0.5.9
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cpe:2.3:a:redhat:libvirt:1.0.6
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cpe:2.3:a:redhat:libvirt:1.1.0
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cpe:2.3:a:redhat:libvirt:1.1.1
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cpe:2.3:a:redhat:libvirt:1.1.2
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cpe:2.3:a:redhat:libvirt:1.1.3
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cpe:2.3:a:redhat:libvirt:1.1.3.1
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cpe:2.3:a:redhat:libvirt:1.1.3.2
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cpe:2.3:a:redhat:libvirt:1.1.3.3
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cpe:2.3:a:redhat:libvirt:1.1.3.4
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cpe:2.3:a:redhat:libvirt:1.1.3.5
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cpe:2.3:a:redhat:libvirt:1.1.3.6
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cpe:2.3:a:redhat:libvirt:1.1.3.7
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cpe:2.3:a:redhat:libvirt:1.1.3.8
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cpe:2.3:a:redhat:libvirt:1.1.3.9
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cpe:2.3:a:redhat:libvirt:1.1.4
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cpe:2.3:a:redhat:libvirt:1.2.0
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cpe:2.3:a:redhat:libvirt:1.2.1
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cpe:2.3:a:redhat:libvirt:1.2.10
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cpe:2.3:a:redhat:libvirt:1.2.11
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cpe:2.3:a:redhat:libvirt:1.2.12
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cpe:2.3:a:redhat:libvirt:1.2.13
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cpe:2.3:a:redhat:libvirt:1.2.13.1
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cpe:2.3:a:redhat:libvirt:1.2.13.2
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cpe:2.3:a:redhat:libvirt:1.2.14
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cpe:2.3:a:redhat:libvirt:1.2.15
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cpe:2.3:a:redhat:libvirt:1.2.16
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cpe:2.3:a:redhat:libvirt:1.2.17
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cpe:2.3:a:redhat:libvirt:1.2.18
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cpe:2.3:a:redhat:libvirt:1.2.18.1
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cpe:2.3:a:redhat:libvirt:1.2.18.2
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cpe:2.3:a:redhat:libvirt:1.2.18.3
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cpe:2.3:a:redhat:libvirt:1.2.18.4
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cpe:2.3:a:redhat:libvirt:1.2.19
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cpe:2.3:a:redhat:libvirt:1.2.2
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cpe:2.3:a:redhat:libvirt:1.2.20
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cpe:2.3:a:redhat:libvirt:1.2.21
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cpe:2.3:a:redhat:libvirt:1.2.3
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cpe:2.3:a:redhat:libvirt:1.2.4
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cpe:2.3:a:redhat:libvirt:1.2.5
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cpe:2.3:a:redhat:libvirt:1.2.6
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cpe:2.3:a:redhat:libvirt:1.2.7
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cpe:2.3:a:redhat:libvirt:1.2.8
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cpe:2.3:a:redhat:libvirt:1.2.9
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cpe:2.3:a:redhat:libvirt:1.2.9.1
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cpe:2.3:a:redhat:libvirt:1.2.9.2
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cpe:2.3:a:redhat:libvirt:1.2.9.3
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cpe:2.3:a:redhat:libvirt:1.3.0
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cpe:2.3:a:redhat:libvirt:1.3.1
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cpe:2.3:a:redhat:libvirt:1.3.2
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cpe:2.3:a:redhat:libvirt:1.3.3
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cpe:2.3:a:redhat:libvirt:1.3.3.1
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cpe:2.3:a:redhat:libvirt:1.3.3.2
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cpe:2.3:a:redhat:libvirt:1.3.3.3
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cpe:2.3:a:redhat:libvirt:1.3.4
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cpe:2.3:a:redhat:libvirt:1.3.5
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cpe:2.3:a:redhat:libvirt:1.40.0
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cpe:2.3:a:redhat:libvirt:2.0.0
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cpe:2.3:a:redhat:libvirt:2.1.0
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cpe:2.3:a:redhat:libvirt:2.2.0
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cpe:2.3:a:redhat:libvirt:2.2.1
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cpe:2.3:a:redhat:libvirt:2.3.0
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cpe:2.3:a:redhat:libvirt:2.4.0
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cpe:2.3:a:redhat:libvirt:2.5.0
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cpe:2.3:a:redhat:libvirt:3.0.0
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cpe:2.3:a:redhat:libvirt:3.1.0
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cpe:2.3:a:redhat:libvirt:3.10.0
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cpe:2.3:a:redhat:libvirt:3.2.0
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cpe:2.3:a:redhat:libvirt:3.2.1
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cpe:2.3:a:redhat:libvirt:3.3.0
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cpe:2.3:a:redhat:libvirt:3.4.0
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cpe:2.3:a:redhat:libvirt:3.5.0
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cpe:2.3:a:redhat:libvirt:3.6.0
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cpe:2.3:a:redhat:libvirt:3.7.0
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cpe:2.3:a:redhat:libvirt:3.8.0
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cpe:2.3:a:redhat:libvirt:3.9.0
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cpe:2.3:a:redhat:libvirt:4.0.0
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cpe:2.3:a:redhat:libvirt:4.1.0
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cpe:2.3:a:redhat:libvirt:4.10.0
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cpe:2.3:a:redhat:libvirt:4.2.0
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cpe:2.3:a:redhat:libvirt:4.3.0
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cpe:2.3:a:redhat:libvirt:4.4.0
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cpe:2.3:a:redhat:libvirt:4.5.0
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cpe:2.3:a:redhat:libvirt:4.6.0
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cpe:2.3:a:redhat:libvirt:4.7.0
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cpe:2.3:a:redhat:libvirt:4.8.0
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cpe:2.3:a:redhat:libvirt:4.9.0
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cpe:2.3:a:redhat:libvirt:5.0.0
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cpe:2.3:a:redhat:libvirt:5.1.0
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cpe:2.3:a:redhat:libvirt:5.10.0
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cpe:2.3:a:redhat:libvirt:5.2.0
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cpe:2.3:a:redhat:libvirt:5.3.0
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cpe:2.3:a:redhat:libvirt:5.4.0
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cpe:2.3:a:redhat:libvirt:5.5.0
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cpe:2.3:a:redhat:libvirt:5.6.0
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cpe:2.3:a:redhat:libvirt:5.7.0
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cpe:2.3:a:redhat:libvirt:5.8.0
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cpe:2.3:a:redhat:libvirt:5.9.0
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cpe:2.3:a:redhat:libvirt:6.0.0
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cpe:2.3:a:redhat:libvirt:6.1.0
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cpe:2.3:a:redhat:libvirt:6.10.0
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cpe:2.3:a:redhat:libvirt:6.2.0
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cpe:2.3:a:redhat:libvirt:6.3.0
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cpe:2.3:a:redhat:libvirt:6.4.0
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cpe:2.3:a:redhat:libvirt:6.5.0
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cpe:2.3:a:redhat:libvirt:6.6.0
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cpe:2.3:a:redhat:libvirt:6.7.0
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cpe:2.3:a:redhat:libvirt:6.8.0
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cpe:2.3:a:redhat:libvirt:6.9.0
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cpe:2.3:a:redhat:libvirt:7.0.0
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cpe:2.3:a:redhat:libvirt:7.1.0
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cpe:2.3:a:redhat:libvirt:7.2.0
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cpe:2.3:a:redhat:libvirt:7.3.0
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cpe:2.3:a:redhat:libvirt:7.4.0
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cpe:2.3:a:redhat:openshift_container_platform:4.8
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cpe:2.3:o:redhat:enterprise_linux:8.0