CVE-2025-40051
vhost: vringh: Modify the return value check
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
28 Oct 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/78dc7362662fedaa1928fb8e4f27401c8322905dhttps://git.kernel.org/stable/c/82a8d0fda55b35361ee7f35b54fa2b66d7847d2bhttps://git.kernel.org/stable/c/baa37b1c7e29546f79c39bef0d18c4edc9f39bb1https://git.kernel.org/stable/c/cfa0654402c06d086201a9ff167eb95da5844fc3https://git.kernel.org/stable/c/db042925a5ab7a550b710addeadbf6f72e3a8a4b