It was discovered that libvirt incorrectly handled waiting for certain agent events. An attacker inside a guest could possibly use this issue to cause libvirtd to stop responding, resulting in a denial of service.
{
"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"
}
]
}
{
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2019-3840"
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
{
"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"
}
]
}
{
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2019-3840"
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}