CVE Vulnerabilities

CVE-2019-3840

NULL Pointer Dereference

Published: Mar 27, 2019 | Modified: Nov 07, 2023
CVSS 3.x
6.3
MEDIUM
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Affected Software

Name Vendor Start Version End Version
Libvirt Redhat * 5.0.0 (excluding)

Potential Mitigations

References