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.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-25)

Published

2025-10-28

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

• https://git.kernel.org/stable/c/2b351e3d04be9e1533f26c3464f1e44a5beace30
• https://git.kernel.org/stable/c/5cba8ae00279296a586d0596443109d601b1d116
• https://git.kernel.org/stable/c/8b6e327736db013b9e385c3f6f9f0b04ddf26e43
• https://git.kernel.org/stable/c/d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357

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