What is GHSA-43w2-qv3q-6jvf?

GHSA-43w2-qv3q-6jvf is a security advisory published by GitHub Security Advisories with Medium severity. Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware...

Which CVE IDs does GHSA-43w2-qv3q-6jvf cover?

GHSA-43w2-qv3q-6jvf covers the following CVE IDs: CVE-2026-28248. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-43w2-qv3q-6jvfMedium

Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-28248 →

📋 Description

Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially launch a guest whose attestation report contains an ID key digest for an ID block that doesn't match the guest's measurement resulting in loss of integrity.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-28248
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
https://github.com/advisories/GHSA-43w2-qv3q-6jvf