CVE-2023-20555

A flaw was found in hw. Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer, potentially leading to arbitrary code execution in SMM. Mitigation Please contact AMD for further informatio...

CVE-2023-20555

creationtimestamp| type| source ---|---|--- 2023-08-08 22:20:33+00:00| seen| https://t.me/cibsecurity/68056...

CVE-2023-20555

CVE-2023-20555 is an AMD SMM memory corruption flaw due to insufficient input validation in CpmDisplayFeatureSmm, allowing an attacker to overwrite an arbitrary bit in an attacker-controlled pointer and potentially execute code in SMM. Connected sources indicate this affects AMD processors with S...

SMM Memory Corruption Vulnerability

Bulletin ID: AMD-SB-4003 Potential Impact: Arbitrary Code Execution Severity: High Summary SMM memory corruption vulnerability in SMM driver on some AMD Processors. CVE-2023-20555 Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an...