CVE-2025-40065
Published: October 29, 2025Last modified: November 3, 2026
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.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.191-r0) |
| 25 LTS | linux-lts | Fixed (6.12.115-r0) | |
| Stream | linux-lts | Fixed (6.18.35-r1) |
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
- https://git.kernel.org/stable/c/feb64ca53d97b3ac8ba9ecbeae5f9426f1513650