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Status published
Unknown
CVE-2025-40056
vhost: vringh: Fix copy_to_iter return value check
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/bd71e7e0a612740e4de5524880c7cd40293af5f7
- https://git.kernel.org/stable/c/781226e11d5bdea0d69c7b5aa3cda874093c73b8
- https://git.kernel.org/stable/c/b3a950d236e98440c07405ba597b11bce56a8050
- https://git.kernel.org/stable/c/68aac2b335d474b938d154b9c95cbc58838cb2ce
- https://git.kernel.org/stable/c/439263376c2c4e126cac0d07e4987568de4eaba5
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
309bba39c945ac8ab8083ac05cd6cfe5822968e0, 6.0, 0, 6.1.156, 6.6.112, 6.12.53, 6.17.3, 6.18
Timeline
Official Publish:
October 28th, 2025
Last Modified:
May 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.