CVE intelligence
CVE-2025-40065
Vulnerability intelligence
Published Oct 28, 2025Sources checked Nov 13, 2026
N/ACVSS not listedScore unavailable
What this means
Review the available evidence
CVE-2025-40065. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do nextRemediation and response
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2025-40065?
In the Linux kernel, the following vulnerability has been resolved:
RISC-V: KVM: Write hgatp register with valid mode bits
According to the RISC-V Privileged Architecture Spec, when MODE=Bare is selected,software must write zero to the remaining fields of hgatp.
We have detected the valid mode supported by the HW before, So using a valid mode to detect how many vmid bits are supported.
Source: NVD