CVE-2025-40056
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: vhost: vringh: Fix copy_to_iter return value check The return value of copy_to_iter can't be negative, check whether the copied length is equal to the requested length instead of checking for negative values.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 28, 2025
First seenOct 28, 2025
How to fix
Update
- Linux Linuxbd71e7e0a612740e4de5524880c7cd40293af5f7, 781226e11d5bdea0d69c7b5aa3cda874093c73b8, b3a950d236e98440c07405ba597b11bce56a8050, 68aac2b335d474b938d154b9c95cbc58838cb2ce, 439263376c2c4e126cac0d07e4987568de4eaba5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ≤ v < bd71e7e0a612740e4de5524880c7cd40293af5f7, 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ≤ v < 781226e11d5bdea0d69c7b5aa3cda874093c73b8, 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ≤ v < b3a950d236e98440c07405ba597b11bce56a8050, 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ≤ v < 68aac2b335d474b938d154b9c95cbc58838cb2ce, 309bba39c945ac8ab8083ac05cd6cfe5822968e0 ≤ v < 439263376c2c4e126cac0d07e4987568de4eaba5, 6.0 | bd71e7e0a612740e4de5524880c7cd40293af5f7, 781226e11d5bdea0d69c7b5aa3cda874093c73b8, b3a950d236e98440c07405ba597b11bce56a8050, 68aac2b335d474b938d154b9c95cbc58838cb2ce, 439263376c2c4e126cac0d07e4987568de4eaba5 |
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