Review reviewHigh

CVE-2026-63927

Linux

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
EPSS: -
CISA KEV: Not listed
Published: 2026.07.20

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Linux
Affected versions: >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < d5fc183ed614aeba6779cc992325be560f9a4451, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 63b0dafa676aad4d0c3f01a61ad8e2990907660c, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 0584af4fe40fa5e254a05d69ce658746de641708, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < a15eeeceb94cbc04edef395e4d777ff554bdc27d, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 84ea928ed584756e59c6ac09736f12d1db95ded0, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 6d0b79d1d1118145e48a68192b6d733e39387053, >= 7359d482eb4d3967cc8be354405ae6be6eaf732c < 9ea06a3fbf9f16e0d98c52cb3b99642be15ec281, >= 3.10
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: Not available