CVE-2023-20585CWE-788

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…

Medium · published April 16, 2026

CVSS v4.0
5.6
EPSS
0%
Percentile
0.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.6 · MEDIUM
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
EPSS
0.00098 · 0.8th percentile
Weakness
CWE-788 · Access of Memory Location After End of Buffer
Published
2026-04-16T18:42Z
EPSS history
Timeline
  • 16 APR 18:42Z
    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…
    cvelistv5