What is GHSA-757f-wjrq-pjh3?

GHSA-757f-wjrq-pjh3 is a security advisory published by GitHub Security Advisories with Medium severity. An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker...

Which CVE IDs does GHSA-757f-wjrq-pjh3 cover?

GHSA-757f-wjrq-pjh3 covers the following CVE IDs: CVE-2026-40669. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-757f-wjrq-pjh3Medium

An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker...

Vendor

GitHub Security Advisories

Published

November 11, 2026

Last Modified

November 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-40669 →

📋 Description

An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40669
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
https://github.com/advisories/GHSA-757f-wjrq-pjh3