High 7.8Published Jul 19, 2026

CVE-2026-63927usb: dwc2: Fix use after free in debug code

Updated under an hour ago (Oct 28, 2026, 3:23 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: Fix use after free in debug code We're not allowed to dereference "urb" after calling usb_hcd_giveback_urb() so save the urb->status ahead of time.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 7359d482eb4d3967cc8be354405ae6be6eaf732c before d5fc183ed614aeba6779cc992325be560f9a4451; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 63b0dafa676aad4d0c3f01a61ad8e2990907660c; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 0584af4fe40fa5e254a05d69ce658746de641708; from 7359d482eb4d3967cc8be354405ae6be6eaf732c before a15eeeceb94cbc04edef395e4d777ff554bdc27d; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 84ea928ed584756e59c6ac09736f12d1db95ded0; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 6d0b79d1d1118145e48a68192b6d733e39387053; 7359d482eb4d3967cc8be354405ae6be6eaf732c builds before 9ea06a3fbf9f16e0d98c52cb3b99642be15ec281	CNA record
linux linux_kernel linux:linux_kernel	from 3.10 before 5.10.259; from 5.11 before 5.15.210; from 5.16 before 6.1.176; from 6.2 before 6.6.143; from 6.7 before 6.12.93; from 6.13 before 6.18.35; from 6.19 before 7.0.12; 7.1; and 4 more ranges	NVD

References

References

https://git.kernel.org/stable/c/d5fc183ed614aeba6779cc992325be560f9a4451	patch
https://git.kernel.org/stable/c/63b0dafa676aad4d0c3f01a61ad8e2990907660c	patch
https://git.kernel.org/stable/c/9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913	patch
https://git.kernel.org/stable/c/0584af4fe40fa5e254a05d69ce658746de641708	patch
https://git.kernel.org/stable/c/a15eeeceb94cbc04edef395e4d777ff554bdc27d	patch
https://git.kernel.org/stable/c/84ea928ed584756e59c6ac09736f12d1db95ded0	patch
https://git.kernel.org/stable/c/6d0b79d1d1118145e48a68192b6d733e39387053	patch
https://git.kernel.org/stable/c/9ea06a3fbf9f16e0d98c52cb3b99642be15ec281	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.