Vulnerability identifier: #VU50124

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14818

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.

Mitigation
Install update from vendor's website.

External links
http://access.redhat.com/errata/RHSA-2020:0165
http://access.redhat.com/errata/RHSA-2020:0166
http://access.redhat.com/errata/RHSA-2020:0168
http://access.redhat.com/errata/RHSA-2020:0171
http://access.redhat.com/errata/RHSA-2020:0172
http://bugs.dpdk.org/show_bug.cgi?id=363
http://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14818
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ULJ3C7OVBOEVDGSHYC3VCLSUHANGTFFP/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.