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.
History

Wed, 02 Oct 2024 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat enterprise Linux
Redhat rhel Eus
CPEs cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
cpe:/o:redhat:rhel_eus:9.2
Vendors & Products Redhat enterprise Linux
Redhat rhel Eus

Tue, 01 Oct 2024 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Redhat
Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus
CPEs cpe:/o:redhat:rhel_aus:8.6
cpe:/o:redhat:rhel_e4s:8.6
cpe:/o:redhat:rhel_tus:8.6
Vendors & Products Redhat
Redhat rhel Aus
Redhat rhel E4s
Redhat rhel Tus

Fri, 16 Aug 2024 11:30:00 +0000

Type Values Removed Values Added
Title kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 13 Aug 2024 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 13 Aug 2024 17:00:00 +0000

Type Values Removed Values Added
Description 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.
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2024-08-13T16:53:18.373Z

Updated: 2024-11-05T21:40:37.392Z

Reserved: 2022-10-27T18:53:39.759Z

Link: CVE-2023-20584

cve-icon Vulnrichment

Updated: 2024-08-13T17:32:43.152Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2024-08-13T17:15:19.713

Modified: 2024-08-14T02:07:05.410

Link: CVE-2023-20584

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-08-13T12:00:00Z

Links: CVE-2023-20584 - Bugzilla