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CVE-2025-40065

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CVE-2025-40065

Published: Oct 28, 2025

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
fd7bb4a251dfc1da3496bf59a4793937c13e8c1f - < d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357
affected
fd7bb4a251dfc1da3496bf59a4793937c13e8c1f - < 2b351e3d04be9e1533f26c3464f1e44a5beace30

Linux

Linux

affected
5.16
unaffected
0 - < 5.16
unaffected
6.17.3 - <= 6.17.*
unaffected
6.18 - <= *

References

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