CVE-2023-20585

medium

Description

Insufficient checks of the RMP on host buffer access in IOMMU may allow an attacker with privileges and a compromised hypervisor to trigger an out of bounds condition without RMP checks, resulting in a potential loss of confidential guest integrity.

References

References
More

https://thehackernews.com/2026/04/microsoft-issues-patches-for-sharepoint.html

https://docs.cloud.google.com/support/bulletins/index#gcp-2026-021

https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3016.html

Details

Source: Mitre, NVD

Published: 2026-04-16

Updated: 2026-04-17

Risk Information

CVSS v2

Base Score: 3.7

Vector: CVSS2#AV:L/AC:H/Au:M/C:N/I:C/A:N

Severity: Low

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 5.6

Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N