CVE-2025-38125
Published: July 3, 2025Last modified: February 20, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: make sure that ptp_rate is not 0 before configuring EST If the ptp_rate recorded earlier in the driver happens to be 0, this bogus value will propagate up to EST configuration, where it will trigger a division by 0. Prevent this division by 0 by adding the corresponding check and error code.
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 (6.12.41-r0) | |
| Stream | linux-lts | Fixed (6.12.41-r0) |
References
- https://git.kernel.org/stable/c/451ee661d0f6272017fa012f99617101aa8ddf2c
- https://git.kernel.org/stable/c/b15c9a21950e1af6d440ce5a8edfa8a94b9acb9b
- https://git.kernel.org/stable/c/b92ec4a848728460f181def33735605f154d438f
- https://git.kernel.org/stable/c/cbefe2ffa7784525ec5d008ba87c7add19ec631a
- https://git.kernel.org/stable/c/d5e3bfdba0dc419499b801937128957f77503761
- https://git.kernel.org/stable/c/d6b0f7ed3e9b6c5e2e3a006c8f72c95aa4ac4b74