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CVE-2025-40051

HIGHCVSS 7.8/10EPSS 0.20%

Last modified

CVE-2025-40051 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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
7.8/10

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

EPSS Probability
0.20%

10.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 309bba39c945ac8ab8083ac05cd6cfe5822968e0, < db042925a5ab7a550b710addeadbf6f72e3a8a4b; >= 309bba39c945ac8ab8083ac05cd6cfe5822968e0, < 78dc7362662fedaa1928fb8e4f27401c8322905d; >= 309bba39c945ac8ab8083ac05cd6cfe5822968e0, < baa37b1c7e29546f79c39bef0d18c4edc9f39bb1; >= 309bba39c945ac8ab8083ac05cd6cfe5822968e0, < cfa0654402c06d086201a9ff167eb95da5844fc3; >= 309bba39c945ac8ab8083ac05cd6cfe5822968e0, < 82a8d0fda55b35361ee7f35b54fa2b66d7847d2b
LinuxLinux6.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-40051?
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.
How severe is CVE-2025-40051?
CVE-2025-40051 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40051?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST