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    CVE-2019-3840

    A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.

    Published:Jan 10, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 27, 2019
    EPSS Score:0.00752
    CVSS Score:5.8

    Affected Products

    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Libvirt

    Exploits

    https://bugzilla.redhat.com/show_bug.cgi?id=1663051https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=1663051https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
    https://access.redhat.com/errata/RHSA-2019:2294
    https://bugzilla.redhat.com/show_bug.cgi?id=1663051
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/
    https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.html
    http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.html
    https://access.redhat.com/errata/RHSA-2019:2294
    https://bugzilla.redhat.com/show_bug.cgi?id=1663051
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/
    https://www.redhat.com/archives/libvir-list/2019-January/msg00241.html

    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