CVE-2025-38180
Published: July 5, 2025Last modified: July 5, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: net: atm: fix /proc/net/atm/lec handling /proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.
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 (6.1.143-r1) |
| 25 LTS | linux-lts | Fixed (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc
- https://git.kernel.org/stable/c/9b9aeb3ada44d8abea1e31e4446113f460848ae4
- https://git.kernel.org/stable/c/a5e3a144268899f1a8c445c8a3bfa15873ba85e8
- https://git.kernel.org/stable/c/ca3829c18c8d0ceb656605d3bff6bb3dfb078589
- https://git.kernel.org/stable/c/d03b79f459c7935cff830d98373474f440bd03ae
- https://git.kernel.org/stable/c/e612c4b014f5808fbc6beae21f5ccaca5e76a2f8
- https://git.kernel.org/stable/c/f2d1443b18806640abdb530e88009af7be2588e7
- https://git.kernel.org/stable/c/fcfccf56f4eba7d00aa2d33c7bb1b33083237742
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html