Description
A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected products
- AMD / 1st Gen AMD EPYC™ Processorsvarious – various
- AMD / 2nd Gen AMD EPYC™ Processorsvarious – various
- AMD / 3rd Gen AMD EPYC™ Processorsvarious – various
- AMD / 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDTvarious – various
- AMD / AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4various – various
- AMD / Ryzen™ 3000 Series Desktop Processors “Matisse” AM4various – various
- AMD / Ryzen™ Threadripper™ PRO Processors “Castle Peak” WSvarious – various
- AMD / Ryzen™ Threadripper™ PRO Processors “Chagall” WSvarious – various