Bug 2406774 (CVE-2025-40051) - CVE-2025-40051 kernel: vhost: vringh: Modify the return value check
Summary: CVE-2025-40051 kernel: vhost: vringh: Modify the return value check
Keywords:
Status: NEW
Alias: CVE-2025-40051
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-28 12:04 UTC by OSIDB Bzimport
Modified: 2025-10-28 20:40 UTC (History)
0 users

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Description OSIDB Bzimport 2025-10-28 12:04:49 UTC 
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.
Comment 1 Jon Moroney 2025-10-28 20:38:07 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102814-CVE-2025-40051-7b58@gregkh/T
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