Description
A compromised or malicious ABL or UApp could send a SHA256 system call to the bootloader, which may result in exposure of ASP memory to userspace, potentially leading to information disclosure.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
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 / Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULPvarious – various
- AMD / Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”various – various
- AMD / Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4various – various
- AMD / Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5various – various
- AMD / Ryzen™ 3000 Series Desktop Processors “Matisse” AM4various – various
- AMD / Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”various – various
- AMD / Ryzen™ Threadripper™ PRO Processors “Castle Peak” WSvarious – various
- AMD / Ryzen™ Threadripper™ PRO Processors “Chagall” WSvarious – various