CVE-2022-23820: high-severity vulnerability in AMD 3rd Gen AMD EPYC™ Processors
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.7%
Failure to validate the AMD SMM communication buffer
may allow an attacker to corrupt the SMRAM potentially leading to arbitrary
code execution.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
AMD · 3rd Gen AMD EPYC™ ProcessorsAMD · AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso” AM4AMD · AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”AMD · AMD EPYC™ Embedded 7003AMD · AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics “Picasso” FP5AMD · AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6AMD · AMD Ryzen™ 5000 Series Desktop Processors “Vermeer”AMD · AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”AMD · AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”AMD · AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”AMD · AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"AMD · AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”AMD · AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”AMD · AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”AMD · AMD Ryzen™ Threadripper™ 3000 Series Processors “Castle Peak” HEDTAMD · AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors “Chagall” WSAMD · AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3AMD · Ryzen™ 3000 series Desktop Processors “Matisse"Related CVEs — AMD 3rd Gen AMD EPYC™ Processors
In the same product, most dangerous first.