Bug 2502386 (CVE-2026-63927) - CVE-2026-63927 kernel: usb: dwc2: Fix use after free in debug code
Summary: CVE-2026-63927 kernel: usb: dwc2: Fix use after free in debug code
Keywords:
Status: NEW
Alias: CVE-2026-63927
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-19 16:05 UTC by OSIDB Bzimport
Modified: 2026-07-21 21:39 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-07-19 16:05:19 UTC 
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.
Comment 1 Keith Grant 2026-07-21 21:37:59 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026071949-CVE-2026-63927-9505@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.