CVE-2025-39882
BaseFortify
Publication date: 2025-09-23
Last updated on: 2025-12-12
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 6.6.105 (inc) to 6.6.107 (exc) |
| linux | linux_kernel | From 6.12.45 (inc) to 6.12.48 (exc) |
| linux | linux_kernel | From 6.16.5 (inc) to 6.16.8 (exc) |
| linux | linux_kernel | 6.17 |
| linux | linux_kernel | 6.17 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-416 | The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free issue in the Linux kernel's drm/mediatek component. It occurs because the for_each_child_of_node() helper function incorrectly decrements the reference count of device tree nodes during iteration, leading to a potential use-after-free scenario. The fix involved removing the extra, incorrect reference count decrement that could cause this problem.
How can this vulnerability impact me? :
This vulnerability could lead to instability or crashes in the Linux kernel due to use-after-free errors. Such errors might be exploited to cause denial of service or potentially execute arbitrary code with kernel privileges, depending on the context and exploitability.