What’s Vulnerable › Vulnerabilities
CVE-2019-14763
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-08-07 · updated 2026-06-17
- Weakness: CWE-667
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.
Affected products
- Canonical Ubuntu Linux: 16.04, 18.04
- Linux kernel: before 4.16.4 — fixed in 4.16.4
How to fix
Upgrade to a fixed version: Linux kernel 4.16.4. Check the vendor advisory for mitigations.
References
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=072684e8c58d17e853f8e8b9f6d9ce2e58d2b036
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c91815b596245fd7da349ecc43c8def670d2269e
- https://github.com/torvalds/linux/commit/072684e8c58d17e853f8e8b9f6d9ce2e58d2b036
- https://github.com/torvalds/linux/commit/c91815b596245fd7da349ecc43c8def670d2269e
- https://usn.ubuntu.com/4115-1/
- https://usn.ubuntu.com/4118-1/
- https://www.spinics.net/lists/linux-usb/msg167355.html
- https://www.spinics.net/lists/linux-usb/msg167393.html
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=072684e8c58d17e853f8e8b9f6d9ce2e58d2b036
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c91815b596245fd7da349ecc43c8def670d2269e
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