What is CVE-2020-14375?

CVE-2020-14375 is a high-severity vulnerability in Dpdk Data Plane Development Kit, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2020-09-30.

How severe is CVE-2020-14375?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Dpdk Data Plane Development Kit

CVE-2020-14375

A flaw was found in dpdk in versions before 18.11.10 and before 19.11.5. Virtio ring descriptors, and the data they describe are in a region of memory accessible by from both the virtual machine and the host. An attacker in a VM can change the contents of the memory after vhost_crypto has validated it. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

Published 2020-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (16.4th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Dpdk Data Plane Development Kit
Canonical Ubuntu Linux — versions 20.04
openSUSE Leap — versions 15.1, 15.2
Dpdk — versions All dpdk versions before 18.11.10 and before 19.11.5

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
www.openwall.com/lists/oss-security/2020/09/28/3 (Patch, Mailing List, Third Party Advisory)
usn.ubuntu.com/4550-1/ (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2020-10/msg00004.html (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2020-10/msg00006.html (vendor-advisory, Third Party Advisory)
www.openwall.com/lists/oss-security/2021/01/04/5 (mailing-list, Mailing List)
www.openwall.com/lists/oss-security/2021/01/04/1 (mailing-list, Mailing List)
www.openwall.com/lists/oss-security/2021/01/04/2 (mailing-list, Mailing List)

Frequently asked questions

What is CVE-2020-14375?: CVE-2020-14375 is a high-severity vulnerability in Dpdk Data Plane Development Kit, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2020-09-30.
How severe is CVE-2020-14375?: High severity. CVSS v3 base score is 7.8 out of 10.