CVE-2025-40056
vhost: vringh: Fix copy_to_iter return value check
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 28, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
309bba39c945ac8ab8083ac05cd6cfe5822968e0 < bd71e7e0a612740e4de5524880c7cd40293af5f7 309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 781226e11d5bdea0d69c7b5aa3cda874093c73b8 309bba39c945ac8ab8083ac05cd6cfe5822968e0 < b3a950d236e98440c07405ba597b11bce56a8050 309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 68aac2b335d474b938d154b9c95cbc58838cb2ce 309bba39c945ac8ab8083ac05cd6cfe5822968e0 < 439263376c2c4e126cac0d07e4987568de4eaba5
Linux / Linux
6.0
References
git.kernel.org: https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7 git.kernel.org: https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8 git.kernel.org: https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050 git.kernel.org: https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce git.kernel.org: https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5