CVE-2025-38015
BaseFortify
Publication date: 2025-06-18
Last updated on: 2025-12-17
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 6.0.9 (inc) to 6.1.140 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.6.92 (exc) |
| linux | linux_kernel | From 6.7 (inc) to 6.12.30 (exc) |
| linux | linux_kernel | From 6.13 (inc) to 6.14.8 (exc) |
| linux | linux_kernel | 6.15 |
| linux | linux_kernel | 6.15 |
| linux | linux_kernel | 6.15 |
| linux | linux_kernel | 6.15 |
| linux | linux_kernel | 6.15 |
| linux | linux_kernel | 6.15 |
| debian | debian_linux | 11.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's dmaengine idxd driver. Specifically, when an error occurs during the idxd_alloc() function, the memory that was allocated is not properly freed, leading to a memory leak. The fix involves freeing the allocated memory in the reverse order of allocation before exiting the function when an error happens.
How can this vulnerability impact me? :
The memory leak caused by this vulnerability can lead to increased memory usage and potentially degrade system performance or stability over time if errors occur frequently during idxd_alloc(). This could result in resource exhaustion or system crashes in environments relying on the affected Linux kernel component.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update the Linux kernel to a version that includes the fix for the dmaengine idxd memory leak issue. This fix ensures that allocated memory is properly freed in the error handling path of idxd_alloc().