CVE-2025-40077
BaseFortify
Publication date: 2025-10-28
Last updated on: 2025-11-24
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 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability in the Linux kernel's f2fs file system involves an overflow issue during a left shift operation. Specifically, the type of folio->index was not properly cast from pgoff_t to loff_t, which could cause an overflow when performing the left shift. The fix involves correctly casting the type to avoid this overflow.
How can this vulnerability impact me? :
An overflow during a left shift operation in the kernel could potentially lead to incorrect memory calculations or data corruption, which might affect system stability or security. However, specific impacts are not detailed in the provided information.