CVE-2023-20533
CVSS 3.1 Score 7.5 of 10 (high)
Details
Summary
CVE-2023-20533 is a vulnerability affecting the System Management Unit (SMU) that involves insufficient DRAM address validation. An attacker can exploit this issue to read from or write to an invalid DRAM address, potentially causing a denial-of-service condition. This vulnerability may allow unauthorized access to memory locations and could be exploited for malicious purposes. The SMU is a critical component responsible for managing various system functions, making this vulnerability particularly significant. Mitigation measures include applying patches and implementing access control policies to limit unauthorized access to the SMU.
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Affected Products
- Advanced Micro Devices (AMD) EPYC 75F3 FIRMWARE
- Advanced Micro Devices (AMD) EPYC 7343 FIRMWARE
- Advanced Micro Devices (AMD) EPYC 7513 FIRMWARE
- Advanced Micro Devices (AMD) EPYC 74F3 FIRMWARE
- Advanced Micro Devices (AMD) EPYC 7643 FIRMWARE
Affected Vendors
- Advanced Micro Devices