Vulnerability 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.
References
- https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5
- https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce
- https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8
- https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050
- https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7
FAQ
What is CVE-2025-40056?
CVE-2025-40056 is a documented vulnerability. 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 le...
How severe is CVE-2025-40056?
CVSS scoring is not yet available for CVE-2025-40056. Check NVD for updates.
Is there a patch for CVE-2025-40056?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.