CVE-2021-38204

Name: CVE-2021-38204
Creator: NVD / NIST
Published: 2021-08-08T20:15:07.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.8/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2021-38204 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

drivers/usb/host/max3421-hcd.c in the Linux kernel before 5.13.6 allows physically proximate attackers to cause a denial of service (use-after-free and panic) by removing a MAX-3421 USB device in certain situations.

Metrics

CVSS 3.1

6.8/10

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

EPSS Probability

0.33%

25.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.13.6
Debian	Debian Linux	9.0

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031bPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6Mailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/b5fdf5c6e6bee35837e160c00ac89327bdad031bPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.htmlMailing List, Third Party Advisory

Timeline

Published: Aug 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38204?

How severe is CVE-2021-38204?

CVE-2021-38204 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38204?

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-2021-38204?

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

Scan your code now

Source: NVD / NIST