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.

INFO

Published Date :

2025-10-28T11:48:35.785Z

Last Modified :

2025-12-01T06:17:15.902Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-40065 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-40065.

URL Resource
https://git.kernel.org/stable/c/2b351e3d04be9e1533f26c3464f1e44a5beace30 cve-icon cve-icon
https://git.kernel.org/stable/c/d00b61cd37f4c183ce0edbc9f8ccf6d5430ea357 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025102817-CVE-2025-40065-7740@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-40065 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-40065 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact