CVE-2019-19947

Name: CVE-2019-19947
Creator: NVD / NIST
Published: 2019-12-24T00:15:10.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2019-19947 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.

Metrics

CVSS 3.1

4.6/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	<= 5.4.6
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.10
Netapp	Active Iq Unified Manager	All versions
Netapp	Cloud Backup	All versions
Netapp	Data Availability Services	All versions
Netapp	E-Series Santricity Os Controller	>= 11.0, <= 11.70.2
Netapp	Fas\/Aff Baseboard Management Controller	All versions
Netapp	Hci Baseboard Management Controller	h610s
Netapp	Solidfire \& Hci Management Node	All versions
Netapp	Steelstore Cloud Integrated Storage	All versions
Netapp	Aff Baseboard Management Controller	a700s
Netapp	Solidfire Baseboard Management Controller	All versions

References

http://www.openwall.com/lists/oss-security/2019/12/24/1Mailing List, Third Party Advisory
https://github.com/torvalds/linux/commit/da2311a6385c3b499da2ed5d9be59ce331fa93e9Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200204-0002/Third Party Advisory
https://usn.ubuntu.com/4284-1/Third Party Advisory
https://usn.ubuntu.com/4285-1/Third Party Advisory
https://usn.ubuntu.com/4427-1/Third Party Advisory
https://usn.ubuntu.com/4485-1/Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/24/1Mailing List, Third Party Advisory
https://github.com/torvalds/linux/commit/da2311a6385c3b499da2ed5d9be59ce331fa93e9Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20200204-0002/Third Party Advisory
https://usn.ubuntu.com/4284-1/Third Party Advisory
https://usn.ubuntu.com/4285-1/Third Party Advisory
https://usn.ubuntu.com/4427-1/Third Party Advisory
https://usn.ubuntu.com/4485-1/Third Party Advisory

Timeline

Published: Dec 24, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19947?

In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.

How severe is CVE-2019-19947?

CVE-2019-19947 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19947?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19947?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST