CVE-2019-19526

Name: CVE-2019-19526
Creator: NVD / NIST
Published: 2019-12-03T16:15:12.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2019-19526 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka CID-6af3aa57a098.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka CID-6af3aa57a098.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.43%

34.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.3.9
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	19.04
Opensuse	Leap	15.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third 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-5.3.9Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6af3aa57a0984e061f61308fe181a9a12359feccPatch, Vendor Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing List, Third 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-5.3.9Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6af3aa57a0984e061f61308fe181a9a12359feccPatch, Vendor Advisory
https://usn.ubuntu.com/4226-1/Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-19526?

In the Linux kernel before 5.3.9, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/nfc/pn533/usb.c driver, aka CID-6af3aa57a098.

How severe is CVE-2019-19526?

CVE-2019-19526 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19526?

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-2019-19526?

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

Scan your code now

Source: NVD / NIST