CVE-2025-38200
BaseFortify
Publication date: 2025-07-04
Last updated on: 2025-12-18
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 3.12 (inc) to 5.4.295 (exc) |
| linux | linux_kernel | From 5.5 (inc) to 5.10.239 (exc) |
| linux | linux_kernel | From 5.11 (inc) to 5.15.186 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.142 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.95 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.35 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.15.4 (exc) |
| debian | debian_linux | 11.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-191 | The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's i40e driver involves an integer underflow triggered by a specific device input. This underflow causes a Memory-Mapped I/O (MMIO) write access to an invalid page, which is unintended behavior. The issue was fixed by changing the type of related variables to prevent the underflow.
How can this vulnerability impact me? :
The vulnerability can lead to MMIO write access to invalid memory pages, which may cause system instability, crashes, or potentially allow an attacker to execute arbitrary code or escalate privileges on the affected system.
What immediate steps should I take to mitigate this vulnerability?
Apply the updated Linux kernel patch that fixes the integer underflow in the i40e driver by changing the type of related variables to prevent MMIO write access to an invalid page.