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    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.

    Published:Apr 13, 2021
    Last Modified:Nov 21, 2024
    EPS:Mar 2, 2022
    EPSS Score:0.00044
    CVSS Score:6.3

    Affected Products

    Vendor
    Netapp
    Product
    Ontap Select Deploy Administration Utility
    Vendor
    Redhat
    Product
    Advanced Virtualization
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Libvirt
    Vendor
    Redhat
    Product
    Openshift Container Platform

    Exploits

    https://gitlab.com/libvirt/libvirt/-/issues/153https://gitlab.com/libvirt/libvirt/-/issues/153

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High