CVE-2021-3559

    Dashboard / Vulnerabilities / CVE-2021-3559

    CVE-2021-3559

    Published: 24 May 2021Last Modified: 9 Jul 2026

    Summary:

    Details: A flaw was found in libvirt in the virConnectListAllNodeDevices API in versions before 7.0.0. It only affects hosts with a PCI device and driver that supports mediated devices (e.g., GRID driver). This flaw could be used by an unprivileged client with a read-only connection to crash the libvirt daemon by executing the 'nodedev-list' virsh command. The highest threat from this vulnerability is to system availability.

    References: https://security.netapp.com/advisory/ntap-20210706-0006/, https://bugzilla.redhat.com/show_bug.cgi?id=1962306

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- e27603980ac8b12b5ea6eab93cede8a869ddf48d
    Fixed -501563469e67ea54be4ec1b3b84d4f0405e90ea4

    Affected versions

    v7.0.0-rc2
    v7.0.0-rc1

    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
    CVE-2021-3559 | CVE-DB