PT-2026-7447 · Amd · Amd Sev

Published 2026-02-10 · Updated 2026-02-10 · CVE-2025-29946

Positive Technologies (AI Summary)

CVSS v4.0

4.5

Medium

Base vector

AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

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

Description The Secure Encrypted Virtualization (SEV) firmware exhibits insufficient or incomplete data removal in a hardware component, specifically failing to fully flush the Input/Output Memory Management Unit (IOMMU). This issue could result in a loss of confidentiality and integrity of guest memory.

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

Weakness Enumeration

CWE-1301

Related Identifiers

CVE-2025-29946

Affected Products

Amd Sev

References · 6

• https://ubuntu.com/security/CVE-2025-29946 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-29946 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-29946 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-29946 · Security Note
• https://t.me/CVEtracker/44336 · Telegram Post
• https://amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html · Note