CVE-2019-14818 Denial of service in dpdk

High 7.5 Published Updated

A malicious master or container can cause a memory and file descriptor leak in DPDK, leading to a denial of service condition.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-14818?

CVE-2019-14818 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 14 Nov 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in all dpdk version 17.x.x before 17.11.8, 16.x.x before 16.11.10, 18.x.x before 18.11.4 and 19.x.x before 19.08.1 where a malicious master, or a container with access to vhost_user socket, can send specially crafted VRING_SET_NUM messages, resulting in a memory leak including file descriptors. This flaw could lead to a denial of service condition.

Weakness: CWE-401

Which versions are affected by CVE-2019-14818?

It affects 5 products.

Linux distribution packages (40)
openvswitch Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-debuginfo Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-devel Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-central Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-common Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-host Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-vtep Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch-test Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
openvswitch2.11 Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.11.0-35.el7fdp
openvswitch2.11-debuginfo Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.11.0-35.el7fdp
openvswitch2.11-devel Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.11.0-35.el7fdp
openvswitch2.11-test Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.11.0-35.el7fdp
openvswitch2.12 Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.12.0-12.el7fdp
openvswitch2.12-debuginfo Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.12.0-12.el7fdp
openvswitch2.12-devel Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.12.0-12.el7fdp
openvswitch2.12-test Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.12.0-12.el7fdp
python-openvswitch Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.9.0-124.el7fdp
python-openvswitch2.11 Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.11.0-35.el7fdp
python-openvswitch2.12 Red Hat:enterprise_linux:7::fastdatapathAll versions0:2.12.0-12.el7fdp
openvswitch Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
openvswitch-debuginfo Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
openvswitch-devel Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-common Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
openvswitch-ovn-host Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
python-openvswitch Red Hat:enterprise_linux:7::hypervisorAll versions0:2.9.0-124.el7fdp
dpdk Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-debugsource Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-devel Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-devel-debuginfo Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-doc Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
dpdk-tools Red Hat:enterprise_linux:8::appstreamAll versions0:19.11-4.el8
network-scripts-openvswitch2.11 Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
network-scripts-openvswitch2.12 Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.12.0-12.el8fdp
openvswitch2.11 Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
openvswitch2.11-debuginfo Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
openvswitch2.11-debugsource Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
openvswitch2.11-devel Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
openvswitch2.11-test Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.11.0-35.el8fdp
openvswitch2.12 Red Hat:enterprise_linux:8::fastdatapathAll versions0:2.12.0-12.el8fdp

Products include Dpdk Data Plane Development Kit, Fedoraproject Fedora, Redhat Enterprise Linux Fast Datapath, Redhat Openstack, Redhat Virtualization Eus.

How do I fix CVE-2019-14818?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-14818 being exploited?

There is no known exploitation of CVE-2019-14818 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-14818, DSA-4567-1, GHSA-c968-9rc6-v8jv, RHBA-2020:0769, RHSA-2020:0165, RHSA-2020:0166 and 11 more.

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