CVE-2026-46241
Published: June 2, 2026Last modified: November 3, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: fix use-after-free on registration failure Make sure to disable and free the interrupts in case controller registration fails to avoid a potential use-after-free and resource leak. This issue was flagged by Sashiko when reviewing a controller deregistration fix.
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 (6.1.191-r0) |
| 25 LTS | linux-lts | Fixed (6.12.92-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
References
- https://git.kernel.org/stable/c/336d9ad7560b3baba17af06727a888040ee93390
- https://git.kernel.org/stable/c/5c77f11b9b5f1ad5a704dad875260c44016ede10
- https://git.kernel.org/stable/c/8b49b6aadd0c622ca7d68b4a53ae10362e221cf3
- https://git.kernel.org/stable/c/b25eb3d24d03e571f09c04a0522c798ea35e48a1
- https://git.kernel.org/stable/c/dd74a790818ebb9a2be3a94ac935a374755cd278
- https://git.kernel.org/stable/c/f62c060272b9d7423b1650b844e8e4e7b8f9f925