CVE-2025-39924
BaseFortify
Publication date: 2025-10-01
Last updated on: 2025-12-11
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 6.15 (inc) to 6.16.8 (exc) |
| linux | linux_kernel | 6.17 |
| linux | linux_kernel | 6.17 |
| linux | linux_kernel | 6.17 |
| linux | linux_kernel | 6.17 |
| linux | linux_kernel | 6.17 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel relates to the erofs filesystem where the algorithm used for encoded extents was invalid. The existing sanity checks did not properly apply to new encoded extents, leading to inconsistencies. The fix involved unifying the algorithm check with Z_EROFS_COMPRESSION(_RUNTIME)_MAX and ensuring consistency with the available compression algorithms in the system.
How can this vulnerability impact me? :
The vulnerability could potentially cause issues with the handling of encoded extents in the erofs filesystem, possibly leading to incorrect processing or errors when accessing compressed data. This might affect system stability or data integrity when using the affected filesystem.