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6.3
CVSSv3

CVE-2019-3840

Published: 27/03/2019 Updated: 07/11/2023
CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8
CVSS v3 Base Score: 6.3 | Impact Score: 4 | Exploitability Score: 1.8
VMScore: 312
Vector: AV:N/AC:M/Au:S/C:N/I:N/A:P
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Vulnerability Summary

A NULL pointer dereference flaw exists 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.

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redhat libvirt

opensuse leap 42.3

opensuse leap 15.0

Vendor Advisories

Red Hat: Moderate: libvirt security, bug fix, and enhancement update
Synopsis Moderate: libvirt security, bug fix, and enhancement update Type/Severity Security Advisory: Moderate Topic An update for libvirt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring Sy ...
Ubuntu Security Notice: libvirt vulnerability
libvirt could be made to crash under certain conditions ...
Amazon Linux 2: ALAS2-2019-1361
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) ...

References

CWE-476https://www.redhat.com/archives/libvir-list/2019-January/msg00241.htmlhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3840https://bugzilla.redhat.com/show_bug.cgi?id=1663051http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00101.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00105.htmlhttps://access.redhat.com/errata/RHSA-2019:2294https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZRP2BRMI4RYFRPNFTTIAAUOGVN2ORP7/https://access.redhat.com/errata/RHSA-2019:2294https://usn.ubuntu.com/3909-1/https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2023-38298CVE-2024-20356CVE-2023-21987CVE-2024-33217bypassCVE-2024-31804CVE-2024-32660unauthorizedSSRF
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