What is GHSA-qjgc-hx5r-r632?

GHSA-qjgc-hx5r-r632 is a security advisory published by GitHub Security Advisories with Medium severity. Improper input validation in the System Management Mode (SMM) communications buffer could allow a...

Which CVE IDs does GHSA-qjgc-hx5r-r632 cover?

GHSA-qjgc-hx5r-r632 covers the following CVE IDs: CVE-2024-36343. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-qjgc-hx5r-r632Medium

Improper input validation in the System Management Mode (SMM) communications buffer could allow a...

Vendor

GitHub Security Advisories

Published

May 20, 2026

Last Modified

May 20, 2026

🔗 CVE IDs covered (1)

CVE-2024-36343 →

📋 Description

Improper input validation in the System Management Mode (SMM) communications buffer could allow a privileged attacker to perform an out of bounds read or write to a limited section of the Top of Memory Segment (TSEG) memory region, potentially resulting in loss of confidentiality or integrity.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2024-36343
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3030.html
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4017.html
https://github.com/advisories/GHSA-qjgc-hx5r-r632