CVE-2023-20531

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Insufficient bound checks in the SMU may allow an attacker to update the SRAM from/to address space to an invalid value potentially resulting in a denial of service.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
AMD	2nd Gen EPYC	various
AMD	3rd Gen EPYC	various

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032Vendor Advisory

Timeline

Published: Jan 11, 2023
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2023

CVE-2023-205325.3Insufficient input validation in the SMU may allow an attacker to improperly lock resources, potentially resulting in a denial of service.CVE-2023-205337.5Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, po CVE-2023-20548.8A vulnerability, which was classified as critical, was found in Campcodes Advanced Online Voting System 1.0. This affects an unknown part of CVE-2023-205401.8An observable timing discrepancy in the ASP could allow a privileged attacker to perform a brute-force attack against the hash message authe CVE-2023-205487.8A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in CVE-2023-20556.1A vulnerability has been found in Campcodes Advanced Online Voting System 1.0 and classified as problematic. This vulnerability affects unkn CVE-2023-205557.8Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an atta CVE-2023-205565.5Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary b CVE-2023-205588.8Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to a CVE-2023-205598.8Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading CVE-2023-20569.8A vulnerability was found in DedeCMS up to 5.7.87 and classified as critical. This issue affects the function GetSystemFile of the file modu CVE-2023-205604.4Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may allow a privileged attacker to provide a n