The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:2294 advisory.

    The libvirt library contains a C API for managing and interacting with the virtualization capabilities of     Linux and other operating systems. In addition, libvirt provides tools for remote management of     virtualized systems.

    Security Fix(es):

    * libvirt: NULL pointer dereference after running qemuAgentCommand in qemuAgentGetInterfaces function     (CVE-2019-3840)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update of the libvirt package has been released.

According to the version of the libvirt packages installed, the EulerOS installation on the remote host is affected by the following vulnerability :

  - A NULL pointer dereference flaw was discovered in     libvirt 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.(CVE-2019-3840)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update for libvirt is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libvirt library contains a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems.
In addition, libvirt provides tools for remote management of virtualized systems.

Security Fix(es) :

* libvirt: NULL pointer dereference after running qemuAgentCommand in qemuAgentGetInterfaces function (CVE-2019-3840)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes linked from the References section.

ID	名稱	產品	系列	已發布	已更新	嚴重性
127708	RHEL 7 : libvirt (RHSA-2019:2294)	Nessus	Red Hat Local Security Checks	2019/8/12	2025/2/24	medium
126198	Photon OS 1.0: Libvirt PHSA-2019-1.0-0237	Nessus	PhotonOS Local Security Checks	2019/6/25	2025/3/3	medium
126280	EulerOS 2.0 SP8 : libvirt (EulerOS-SA-2019-1653)	Nessus	Huawei Local Security Checks	2019/6/27	2025/2/25	medium
126425	EulerOS 2.0 SP5 : libvirt (EulerOS-SA-2019-1684)	Nessus	Huawei Local Security Checks	2019/7/2	2025/2/25	medium
202769	Photon OS 3.0: Libvirt PHSA-2019-3.0-0016	Nessus	PhotonOS Local Security Checks	2024/7/22	2025/2/19	medium
202875	Photon OS 2.0: Libvirt PHSA-2019-2.0-0161	Nessus	PhotonOS Local Security Checks	2024/7/22	2025/2/19	medium
128386	CentOS 7 : libvirt (CESA-2019:2294)	Nessus	CentOS Local Security Checks	2019/8/30	2025/2/24	medium

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