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    CVE-2022-0897

    A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).

    Published:Mar 17, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 25, 2022
    EPSS Score:0.00051
    CVSS Score:4.3

    Affected Products

    Vendor
    Netapp
    Product
    Ontap Select Deploy Administration Utility
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Libvirt

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-667 Improper Locking

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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