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High severity7.8NVD Advisory· Published Nov 14, 2023· Updated Jun 17, 2026

CVE-2023-20565

CVE-2023-20565

Description

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

Affected products

9
  • AMD/System Management Mode (SMM) codellm-create
  • AMD/AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”v5
    Range: various
  • AMD/AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"v5
    Range: various
  • AMD/AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”v5
    Range: various
  • AMD/AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”v5
    Range: various
  • AMD/AMD Ryzen™ Embedded V3000v5
    Range: various
  • AMD/Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”v5
    Range: various
  • AMD/Ryzen™ 7000 Series Desktop Processors “Raphael” XD3v5
    Range: various
  • AMD/Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8v5
    Range: various

Patches

Vulnerability mechanics

References

2

News mentions

0

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