PT-2026-7453 · Amd · Amd Sev

Published 2025-01-01 · Updated 2026-02-10 · CVE-2025-48517

Positive Technologies (AI Summary)

CVSS v4.0

4.6

Medium

Base vector

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

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

Description A flaw in the access control mechanism of SEV firmware may allow a user with elevated privileges and a compromised hypervisor to create a SEV-ES guest utilizing an ASID intended for SEV-SNP guests. This could lead to a reduction in data confidentiality.

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

Weakness Enumeration

CWE-1220

Related Identifiers

BDU:2026-01880

CVE-2025-48517

Affected Products

Amd Sev

References · 9

• https://osv.dev/vulnerability/DEBIAN-CVE-2025-48517 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2025-48517 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-48517 · Security Note
• https://ubuntu.com/security/CVE-2025-48517 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01880 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-48517 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-48517 · Vendor Advisory
• https://t.me/CVEtracker/44345 · Telegram Post
• https://amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html · Note