CVE-2021-26356
No fix known EPSS <1%CVSS 7.4
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.
Products: AMD Ryzen™ 3000 Series Desktop Processors “Matisse” AM4, AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4, 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT, AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS, AMD Ryzen™ Threadripper™ PRO Processors “Chagall” WS, 1st Gen AMD EPYC™ Processors, 2nd Gen AMD EPYC™ Processors, 3rd Gen AMD EPYC™ Processors