PT-2024-12280 · Amd+8 · Sev Firmware+8

Published 2024-08-13 · Updated 2025-08-13 · CVE-2023-31356

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions SEV firmware (affected versions not specified)

Description The issue is related to incomplete system memory cleanup in SEV firmware, which could allow a privileged attacker to corrupt guest private memory. This potentially results in a loss of data integrity.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-459

Related Identifiers

ALSA-2024:7481

ALSA-2024:7484

BDU:2025-09861

CESA-2024_7481

CVE-2023-31356

INFSA-2024_7481

INFSA-2024_7484

OESA-2024-2549

OESA-2024-2550

RHSA-2024:7418

RHSA-2024:7481

RHSA-2024:7482

RHSA-2024:7483

RHSA-2024:7484

RHSA-2024_7481

RHSA-2024_7484

USN-7561-1

Affected Products

Almalinux

Astra Linux

Centos

Linuxmint

Red Hat

Red Os

Rocky Linux

Sev Firmware

Ubuntu

References · 41

• https://amd.com/en/resources/product-security/bulletin/amd-sb-3003.html · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-31356 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-31356 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09861 · Security Note
• https://ubuntu.com/security/CVE-2023-31356 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-31356 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2024-2549 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-31356 · Security Note
• https://osv.dev/vulnerability/ALSA-2024:7484 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56161 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-31356 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20584 · Security Note
• https://osv.dev/vulnerability/ALSA-2024:7481 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-20584 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2024-7481.html · Vendor Advisory