CVE-2025-40056

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.

More information : https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5