CVE-2025-71188
Published: February 4, 2026Last modified: February 20, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: lpc18xx-dmamux: fix device leak on route allocation Make sure to drop the reference taken when looking up the DMA mux platform device during route allocation. Note that holding a reference to a device does not prevent its driver data from going away so there is no point in keeping the reference.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.163-r0) |
| 25 LTS | linux-lts | Fixed (6.12.73-r0) | |
| Stream | linux-lts | Fixed (6.12.67-r0) |
References
- https://git.kernel.org/stable/c/1e47d80f6720f0224efd19bcf081d39637569c10
- https://git.kernel.org/stable/c/3d396ebfb3049a2b5fac51d2c967db5114b685e8
- https://git.kernel.org/stable/c/499ddae78c4baa9b94df76b2d2eb6b150d15377f
- https://git.kernel.org/stable/c/992eb8055a6e5dbb808672d20d68e60d5a89b12b
- https://git.kernel.org/stable/c/9fba97baa520c9446df51a64708daf27c5a7ed32
- https://git.kernel.org/stable/c/adef147a8d8c3d767abf88ad2c381ffab2993086
- https://git.kernel.org/stable/c/d4d63059dee7e7cae0c4d9a532ed558bc90efb55