CVE-2019-14763

Name: CVE-2019-14763
Creator: NVD / NIST
Published: 2019-08-07T22:15:15.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2019-14763 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.28%

19.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-667

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 4.16.4
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04

References

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=072684e8c58d17e853f8e8b9f6d9ce2e58d2b036Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c91815b596245fd7da349ecc43c8def670d2269eMailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/072684e8c58d17e853f8e8b9f6d9ce2e58d2b036Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/c91815b596245fd7da349ecc43c8def670d2269ePatch, Third Party Advisory
https://usn.ubuntu.com/4115-1/Third Party Advisory
https://usn.ubuntu.com/4118-1/Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167355.htmlMailing List, Patch, Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167393.htmlMailing List, Patch, Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4Mailing List, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=072684e8c58d17e853f8e8b9f6d9ce2e58d2b036Mailing List, Patch, Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c91815b596245fd7da349ecc43c8def670d2269eMailing List, Patch, Vendor Advisory
https://github.com/torvalds/linux/commit/072684e8c58d17e853f8e8b9f6d9ce2e58d2b036Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/c91815b596245fd7da349ecc43c8def670d2269ePatch, Third Party Advisory
https://usn.ubuntu.com/4115-1/Third Party Advisory
https://usn.ubuntu.com/4118-1/Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167355.htmlMailing List, Patch, Third Party Advisory
https://www.spinics.net/lists/linux-usb/msg167393.htmlMailing List, Patch, Third Party Advisory

Timeline

Published: Aug 7, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14763?

In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.

How severe is CVE-2019-14763?

CVE-2019-14763 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14763?

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-2019-14763?

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

Scan your code now

Source: NVD / NIST