CVE-2025-38341
BaseFortify
Publication date: 2025-07-10
Last updated on: 2025-11-18
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 | 6.16 |
| linux | linux_kernel | 6.16 |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
| linux | linux_kernel | From 5.15.160 (inc) to 5.16 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-415 | The product calls free() twice on the same memory address. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's fbnic driver involves a double free error that occurs when failing to DMA-map a firmware message. Specifically, the function fbnic_mbx_map_msg() is designed so that the caller retains ownership of the message if an error occurs, and all callers are expected to free the message themselves. The vulnerability arises if this ownership and freeing logic is not properly handled, potentially leading to a double free situation.
How can this vulnerability impact me? :
A double free vulnerability can lead to undefined behavior such as memory corruption, crashes, or potential exploitation by attackers to execute arbitrary code or cause denial of service. In this case, improper handling of the fbnic firmware message could destabilize the system or be leveraged for malicious purposes.