CVE-2023-20584

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised…

Medium · published August 13, 2024

CVSS v3.1
5.3
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

IOMMU improperly handles certain special address

ranges with invalid device table entries (DTEs), which may allow an attacker

with privileges and a compromised Hypervisor to

induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a

loss of guest integrity.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00187 · 7.9th percentile
Published
2024-08-13T16:53Z
EPSS history
Timeline
  • 13 AUG 16:53Z
    IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised…
    cvelistv5