CVE-2025-40051

HighCVSS 7.8/10Last modified Oct 19, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

vhost: vringh: Modify the return value check

The return value of copy_from_iter and copy_to_iter can't be negative, check whether the copied lengths are equal.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

No affected versions have been published.

Timeline

Published
Oct 28, 2025
Last modified
Oct 19, 2026
NVD status
Deferred

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CVE-2025-40051: High severity, CVSS 7.8 | Vulnix