3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT

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• Unscored —
  CVE-2023-20593 Public exploit

  An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access …

  AMD 2nd Gen AMD EPYC™ Processors Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 Debian Ubuntu Alpine
  Jul 24, 2023
• High 7.5
  CVE-2021-46794

  Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Managemen…

  AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4
  May 9, 2023
• High 8.8
  CVE-2021-46773

  Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in a…

  AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4
  May 9, 2023
• Critical 9.8
  CVE-2021-46760

  A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-o…

  AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS
  May 9, 2023
• Critical 9.1
  CVE-2021-46756

  Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an attac…

  AMD 3rd Gen AMD EPYC™ Processors Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” 2nd Gen AMD EPYC™ Processors
  May 9, 2023
• High 7.5
  CVE-2021-46755

  Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attac…

  AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4
  May 9, 2023
• High 7.5
  CVE-2021-46749

  Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Managemen…

  AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
  May 9, 2023
• High 7.5
  CVE-2021-26406

  Insufficient validation in parsing Owner's Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtua…

  AMD 2nd Gen AMD EPYC™ Processors 1st Gen AMD EPYC™ Processors Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”
  May 9, 2023
• Medium 5.5
  CVE-2021-26371

  A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure …

  AMD 3rd Gen AMD EPYC™ Processors 2nd Gen AMD EPYC™ Processors 1st Gen AMD EPYC™ Processors
  May 9, 2023
• High 7.4
  CVE-2021-26356

  A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially r…

  AMD 3rd Gen AMD EPYC™ Processors 2nd Gen AMD EPYC™ Processors 1st Gen AMD EPYC™ Processors
  May 9, 2023
• Medium 5.5
  CVE-2021-26354

  Insufficient bounds checking in ASP may allow an attacker to issue a system call from a compromised ABL which may cause…

  AMD 3rd Gen AMD EPYC™ Processors Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” 2nd Gen AMD EPYC™ Processors
  May 9, 2023