What is GHSA-q43p-3v25-wxfm?

GHSA-q43p-3v25-wxfm is a security advisory published by GitHub Security Advisories with Medium severity. Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted...

Which CVE IDs does GHSA-q43p-3v25-wxfm cover?

GHSA-q43p-3v25-wxfm covers the following CVE IDs: CVE-2026-28247. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-q43p-3v25-wxfmMedium

Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-28247 →

📋 Description

Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to change the encryption bit for guest context pages potentially resulting in loss of integrity.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-28247
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
https://github.com/advisories/GHSA-q43p-3v25-wxfm