CVE-2025-40056
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
28/10/2025
Last modified:
30/10/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
vhost: vringh: Fix copy_to_iter return value check<br />
<br />
The return value of copy_to_iter can&#39;t be negative, check whether the<br />
copied length is equal to the requested length instead of checking for<br />
negative values.
Impact
References to Advisories, Solutions, and Tools
- 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