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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-14818
• https://access.redhat.com/errata/RHSA-2020:0165
• https://access.redhat.com/errata/RHSA-2020:0166
• https://access.redhat.com/errata/RHSA-2020:0168
• https://access.redhat.com/errata/RHSA-2020:0171
• https://access.redhat.com/errata/RHSA-2020:0172
• https://bugs.dpdk.org/show_bug.cgi?id=363
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14818
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ULJ3C7OVBOEVDGSHYC3VCLSUHANGTFFP/