Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2023-31347

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/02/2024
Last modified:
17/03/2025

Description

Due to a code bug in<br /> Secure_TSC, SEV firmware may allow an attacker with high privileges to cause a<br /> guest to observe an incorrect TSC when Secure TSC is enabled potentially<br /> resulting in a loss of guest integrity.  <br /> <br /> <br /> <br /> <br />

Impact

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

Base Score: 4.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

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

Base Score 3.x
4.90
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7713p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7663p_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7663p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7643p_firmware:*:*:*:*:*:*:*:* milanpi_1.0.0.c (excluding)

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


References to Advisories, Solutions, and Tools