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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.