Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-20584

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/08/2024
Last modified:
12/12/2024

Description

IOMMU improperly handles certain special address<br /> ranges with invalid device table entries (DTEs), which may allow an attacker<br /> with privileges and a compromised Hypervisor to<br /> induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a<br /> loss of guest integrity.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
5.30
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_8024pn_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8024pn:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8024p_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8024p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8124pn_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8124pn:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8124p_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8124p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8224pn_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8224pn:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8224p_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8224p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8324pn_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)
cpe:2.3:h:amd:epyc_8324pn:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_8324p_firmware:*:*:*:*:*:*:*:* genoapi_1.0.0.b (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools