What is GHSA-ppx3-pwxh-6xvm?

GHSA-ppx3-pwxh-6xvm is a security advisory published by GitHub Security Advisories with Medium severity. An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a...

Which CVE IDs does GHSA-ppx3-pwxh-6xvm cover?

GHSA-ppx3-pwxh-6xvm covers the following CVE IDs: CVE-2026-0454. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-ppx3-pwxh-6xvmMedium

An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-0454 →

📋 Description

An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-0454
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
https://github.com/advisories/GHSA-ppx3-pwxh-6xvm