cve/2021/CVE-2021-26339.md

CVE-2021-26339

Description

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.

POC

Reference

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028

Github

• https://github.com/ARPSyndicate/cve-scores
• https://github.com/ep-infosec/50_google_silifuzz
• https://github.com/google/silifuzz
• https://github.com/suddenabnormalsecrets/silifuzz