CVE-2019-19529

Name: CVE-2019-19529
Creator: NVD / NIST
Published: 2019-12-03T16:15:13.127+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.45%

Last modified Jun 17, 2026

CVE-2019-19529 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. In the Linux kernel before 5.3.11, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c driver, aka CID-4d6636498c41.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 5.3.11, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c driver, aka CID-4d6636498c41.

Metrics

CVSS 3.1

6.3/10

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

EPSS Probability

0.45%

35.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.3.11
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.04
Canonical	Ubuntu Linux	19.10

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/03/4Mailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d6636498c41891d0482a914dd570343a838ad79Patch, Vendor Advisory
https://usn.ubuntu.com/4225-1/Third Party Advisory
https://usn.ubuntu.com/4225-2/Third Party Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory
https://usn.ubuntu.com/4227-1/Third Party Advisory
https://usn.ubuntu.com/4227-2/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/03/4Mailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d6636498c41891d0482a914dd570343a838ad79Patch, Vendor Advisory
https://usn.ubuntu.com/4225-1/Third Party Advisory
https://usn.ubuntu.com/4225-2/Third Party Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory
https://usn.ubuntu.com/4227-1/Third Party Advisory
https://usn.ubuntu.com/4227-2/Third Party Advisory

Timeline

Published: Dec 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19529?

In the Linux kernel before 5.3.11, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c driver, aka CID-4d6636498c41.

How severe is CVE-2019-19529?

CVE-2019-19529 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19529?

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-2019-19529?

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

Scan your code now

Source: NVD / NIST