CVE-2025-38200
Published: July 7, 2025Last modified: July 7, 2025
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to an invalid page. Prevent the integer underflow by changing the type of related variables.
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 (6.1.143-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/015bac5daca978448f2671478c553ce1f300c21e
- https://git.kernel.org/stable/c/2a1f4f2e36442a9bdf771acf6ee86f3cf876e5ca
- https://git.kernel.org/stable/c/3502dd42f178dae9d54696013386bb52b4f2e655
- https://git.kernel.org/stable/c/5e75c9082987479e647c75ec8fdf18fa68263c42
- https://git.kernel.org/stable/c/872607632c658d3739e4e7889e4f3c419ae2c193
- https://git.kernel.org/stable/c/8cde755f56163281ec2c46b4ae8b61f532758a6f
- https://git.kernel.org/stable/c/d88a1e8f024ba26e19350958fecbf771a9960352
- https://git.kernel.org/stable/c/fecb2fc3fc10c95724407cc45ea35af4a65cdde2
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html