UBUNTU-CVE-2019-3840

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Source
https://ubuntu.com/security/CVE-2019-3840
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-3840.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-3840
Upstream
Downstream
Related
Published
2019-02-27T00:00:00Z
Modified
2025-09-08T16:45:14Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVSS Calculator
  • 5.8 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS / libvirt

Package

Name
libvirt
Purl
pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.25?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.1-1ubuntu10.25

Affected versions

1.*

1.2.16-2ubuntu11
1.2.16-2ubuntu12
1.2.16-2ubuntu13
1.2.16-2ubuntu14
1.2.21-2ubuntu1
1.2.21-2ubuntu3
1.2.21-2ubuntu4
1.2.21-2ubuntu5
1.2.21-2ubuntu7
1.2.21-2ubuntu8
1.2.21-2ubuntu9
1.2.21-2ubuntu10
1.3.1-1ubuntu1
1.3.1-1ubuntu2
1.3.1-1ubuntu3
1.3.1-1ubuntu4
1.3.1-1ubuntu6
1.3.1-1ubuntu9
1.3.1-1ubuntu10
1.3.1-1ubuntu10.1
1.3.1-1ubuntu10.2
1.3.1-1ubuntu10.3
1.3.1-1ubuntu10.5
1.3.1-1ubuntu10.6
1.3.1-1ubuntu10.7
1.3.1-1ubuntu10.8
1.3.1-1ubuntu10.10
1.3.1-1ubuntu10.11
1.3.1-1ubuntu10.12
1.3.1-1ubuntu10.13
1.3.1-1ubuntu10.14
1.3.1-1ubuntu10.15
1.3.1-1ubuntu10.17
1.3.1-1ubuntu10.18
1.3.1-1ubuntu10.19
1.3.1-1ubuntu10.21
1.3.1-1ubuntu10.22
1.3.1-1ubuntu10.23
1.3.1-1ubuntu10.24

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.3.1-1ubuntu10.25",
            "binary_name": "libvirt-bin"
        },
        {
            "binary_version": "1.3.1-1ubuntu10.25",
            "binary_name": "libvirt-dev"
        },
        {
            "binary_version": "1.3.1-1ubuntu10.25",
            "binary_name": "libvirt0"
        }
    ]
}

Ubuntu:18.04:LTS / libvirt

Package

Name
libvirt
Purl
pkg:deb/ubuntu/libvirt@4.0.0-1ubuntu8.8?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.0-1ubuntu8.8

Affected versions

3.*

3.6.0-1ubuntu5
3.6.0-1ubuntu6

4.*

4.0.0-1ubuntu1
4.0.0-1ubuntu2
4.0.0-1ubuntu3
4.0.0-1ubuntu4
4.0.0-1ubuntu5
4.0.0-1ubuntu6
4.0.0-1ubuntu7
4.0.0-1ubuntu8
4.0.0-1ubuntu8.1
4.0.0-1ubuntu8.2
4.0.0-1ubuntu8.3
4.0.0-1ubuntu8.4
4.0.0-1ubuntu8.5
4.0.0-1ubuntu8.6
4.0.0-1ubuntu8.7

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libnss-libvirt"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-bin"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-clients"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon-driver-storage-gluster"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon-driver-storage-rbd"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon-driver-storage-sheepdog"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon-driver-storage-zfs"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-daemon-system"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-dev"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-sanlock"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt-wireshark"
        },
        {
            "binary_version": "4.0.0-1ubuntu8.8",
            "binary_name": "libvirt0"
        }
    ]
}