CVE-2025-40065
Unknown
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedOct 28, 2025
First seenOct 28, 2025
How to fix
Update
- Linux Linuxfeb64ca53d97b3ac8ba9ecbeae5f9426f1513650, 8b6e327736db013b9e385c3f6f9f0b04ddf26e43, 5cba8ae00279296a586d0596443109d601b1d116, d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357, 2b351e3d04be9e1533f26c3464f1e44a5beace30 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | fd7bb4a251dfc1da3496bf59a4793937c13e8c1f ≤ v < feb64ca53d97b3ac8ba9ecbeae5f9426f1513650, fd7bb4a251dfc1da3496bf59a4793937c13e8c1f ≤ v < 8b6e327736db013b9e385c3f6f9f0b04ddf26e43, fd7bb4a251dfc1da3496bf59a4793937c13e8c1f ≤ v < 5cba8ae00279296a586d0596443109d601b1d116, fd7bb4a251dfc1da3496bf59a4793937c13e8c1f ≤ v < d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357, fd7bb4a251dfc1da3496bf59a4793937c13e8c1f ≤ v < 2b351e3d04be9e1533f26c3464f1e44a5beace30, 5.16 | feb64ca53d97b3ac8ba9ecbeae5f9426f1513650, 8b6e327736db013b9e385c3f6f9f0b04ddf26e43, 5cba8ae00279296a586d0596443109d601b1d116, d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357, 2b351e3d04be9e1533f26c3464f1e44a5beace30 |
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