Answer in brief
CVE-2025-40051 records a Unknown severity vulnerability in vhost: vringh: Modify the return value check. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <db042925a5ab7a550b710addeadbf6f72e3a8a4b || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <78dc7362662fedaa1928fb8e4f27401c8322905d || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <baa37b1c7e29546f79c39bef0d18c4edc9f39bb1 || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <cfa0654402c06d086201a9ff167eb95da5844fc3 || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <82a8d0fda55b35361ee7f35b54fa2b66d7847d2b | db042925a5ab7a550b710addeadbf6f72e3a8a4b, 78dc7362662fedaa1928fb8e4f27401c8322905d, baa37b1c7e29546f79c39bef0d18c4edc9f39bb1, cfa0654402c06d086201a9ff167eb95da5844fc3, 82a8d0fda55b35361ee7f35b54fa2b66d7847d2b |
| Linux/Linuxgeneric | 6.0 | Not reported |
Published upstream
Oct 28, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2025-40051 records a Unknown severity vulnerability in vhost: vringh: Modify the return value check. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <db042925a5ab7a550b710addeadbf6f72e3a8a4b || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <78dc7362662fedaa1928fb8e4f27401c8322905d || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <baa37b1c7e29546f79c39bef0d18c4edc9f39bb1 || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <cfa0654402c06d086201a9ff167eb95da5844fc3 || >=309bba39c945ac8ab8083ac05cd6cfe5822968e0 <82a8d0fda55b35361ee7f35b54fa2b66d7847d2b | db042925a5ab7a550b710addeadbf6f72e3a8a4b, 78dc7362662fedaa1928fb8e4f27401c8322905d, baa37b1c7e29546f79c39bef0d18c4edc9f39bb1, cfa0654402c06d086201a9ff167eb95da5844fc3, 82a8d0fda55b35361ee7f35b54fa2b66d7847d2b |
| Linux/Linuxgeneric | 6.0 | Not reported |
Published upstream
Oct 28, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.