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High 7.8Published Oct 28, 2025
CVE-2025-40051vhost: vringh: Modify the return value check
Updated under an hour ago ()
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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.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 309bba39c945ac8ab8083ac05cd6cfe5822968e0 before db042925a5ab7a550b710addeadbf6f72e3a8a4b; 309bba39c945ac8ab8083ac05cd6cfe5822968e0 builds before 78dc7362662fedaa1928fb8e4f27401c8322905d; from 309bba39c945ac8ab8083ac05cd6cfe5822968e0 before baa37b1c7e29546f79c39bef0d18c4edc9f39bb1; from 309bba39c945ac8ab8083ac05cd6cfe5822968e0 before cfa0654402c06d086201a9ff167eb95da5844fc3; 309bba39c945ac8ab8083ac05cd6cfe5822968e0 builds before 82a8d0fda55b35361ee7f35b54fa2b66d7847d2b | CNA record |
References
- https://git.kernel.org/stable/c/db042925a5ab7a550b710addeadbf6f72e3a8a4b
- https://git.kernel.org/stable/c/78dc7362662fedaa1928fb8e4f27401c8322905d
- https://git.kernel.org/stable/c/baa37b1c7e29546f79c39bef0d18c4edc9f39bb1
- https://git.kernel.org/stable/c/cfa0654402c06d086201a9ff167eb95da5844fc3
- https://git.kernel.org/stable/c/82a8d0fda55b35361ee7f35b54fa2b66d7847d2b
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.