UBUNTU-CVE-2019-20485

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Source
https://ubuntu.com/security/CVE-2019-20485
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-20485.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-20485
Upstream
Withdrawn
2025-07-18T16:45:35Z
Published
2020-03-19T02:15:00Z
Modified
2025-07-16T07:19:08.928880Z
Severity
  • 5.7 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).

References

Affected packages

Ubuntu:16.04:LTS / libvirt

Package

Name
libvirt
Purl
pkg:deb/ubuntu/libvirt@1.3.1-1ubuntu10.30?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.3.1-1ubuntu10.30

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
1.3.1-1ubuntu10.25
1.3.1-1ubuntu10.26
1.3.1-1ubuntu10.27
1.3.1-1ubuntu10.29

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libvirt-bin",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt-bin-dbgsym",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt-dev",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt-dev-dbgsym",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt-doc",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt0",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt0-dbg",
            "binary_version": "1.3.1-1ubuntu10.30"
        },
        {
            "binary_name": "libvirt0-dbgsym",
            "binary_version": "1.3.1-1ubuntu10.30"
        }
    ]
}

Ubuntu:18.04:LTS / libvirt

Package

Name
libvirt
Purl
pkg:deb/ubuntu/libvirt@4.0.0-1ubuntu8.17?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.0.0-1ubuntu8.17

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
4.0.0-1ubuntu8.8
4.0.0-1ubuntu8.9
4.0.0-1ubuntu8.10
4.0.0-1ubuntu8.11
4.0.0-1ubuntu8.12
4.0.0-1ubuntu8.13
4.0.0-1ubuntu8.14
4.0.0-1ubuntu8.15
4.0.0-1ubuntu8.16

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-libvirt",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libnss-libvirt-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-bin",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-clients",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-clients-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-gluster",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-gluster-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-rbd",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-rbd-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-sheepdog",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-sheepdog-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-zfs",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-zfs-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-system",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-daemon-system-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-dev",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-doc",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-sanlock",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-sanlock-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-wireshark",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt-wireshark-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt0",
            "binary_version": "4.0.0-1ubuntu8.17"
        },
        {
            "binary_name": "libvirt0-dbgsym",
            "binary_version": "4.0.0-1ubuntu8.17"
        }
    ]
}

Ubuntu:20.04:LTS / libvirt

Package

Name
libvirt
Purl
pkg:deb/ubuntu/libvirt@6.0.0-0ubuntu4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.0-0ubuntu4

Affected versions

5.*

5.4.0-0ubuntu5

6.*

6.0.0-0ubuntu1
6.0.0-0ubuntu2
6.0.0-0ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libnss-libvirt",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libnss-libvirt-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-clients",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-clients-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-lxc",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-lxc-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-qemu",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-qemu-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-gluster",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-gluster-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-rbd",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-rbd-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-zfs",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-storage-zfs-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-vbox",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-vbox-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-xen",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-driver-xen-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-system",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-system-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-system-systemd",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-daemon-system-sysv",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-dev",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-doc",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-sanlock",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-sanlock-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-wireshark",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt-wireshark-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt0",
            "binary_version": "6.0.0-0ubuntu4"
        },
        {
            "binary_name": "libvirt0-dbgsym",
            "binary_version": "6.0.0-0ubuntu4"
        }
    ]
}