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AMD Security Bulletin AMD-SB-7008

Vulnerability Disclosure:

Supermicro is aware of the cross-process information leak, also known as "Zenbleed." This issue affects AMD EPYC™ 7002 Processors also known as AMD “Zen 2” processors.


  • CVE-2023-20593
  • Severity: Medium

Affected Products:

Supermicro BIOS in the H11 and H12 motherboards


  • All affected Supermicro motherboard SKUs will require a BIOS update to mitigate this potential vulnerability.
  • An updated BIOS firmware had been created to mitigate this potential vulnerability. Supermicro is currently testing and validating affected products. Please check Release Notes for the resolution.

Certain products may not be available in your region