PT-2026-7446 · Amd+1 · Amd Epyc™ 7003 Series Processors+8

Published 2026-02-10 · Updated 2026-02-10 · CVE-2025-29939

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions The product name cannot be determined (affected versions not specified)

Description Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.

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

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2025-29939

Affected Products

Amd Epyc™ 7003 Series Processors

Amd Epyc™ 8004 Series Processors

Amd Epyc™ 9004 Series Processors

Amd Epyc™ 9005 Series Processors

Amd Epyc™ Embedded 7003 Series Processors

Amd Epyc™ Embedded 8004 Series Processors

Amd Epyc™ Embedded 9004 Series Processors

Amd Epyc™ Embedded 9005 Series Processors

Amd64-Microcode

References · 5

• https://osv.dev/vulnerability/UBUNTU-CVE-2025-29939 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-29939 · Security Note
• https://ubuntu.com/security/CVE-2025-29939 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29939 · Security Note
• https://amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html · Note