CVE-2026-63927
Published: July 22, 2026Last modified: July 22, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.177-r0) |
| 25 LTS | linux-lts | Fixed (6.12.95-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/0584af4fe40fa5e254a05d69ce658746de641708
- https://git.kernel.org/stable/c/63b0dafa676aad4d0c3f01a61ad8e2990907660c
- https://git.kernel.org/stable/c/6d0b79d1d1118145e48a68192b6d733e39387053
- https://git.kernel.org/stable/c/84ea928ed584756e59c6ac09736f12d1db95ded0
- https://git.kernel.org/stable/c/9ea06a3fbf9f16e0d98c52cb3b99642be15ec281
- https://git.kernel.org/stable/c/9fe1d84f7e2cf33634e8afb7f4b7f8de182dd913
- https://git.kernel.org/stable/c/a15eeeceb94cbc04edef395e4d777ff554bdc27d
- https://git.kernel.org/stable/c/d5fc183ed614aeba6779cc992325be560f9a4451