CVE-2021-26371: medium-severity vulnerability in AMD 1st Gen AMD EPYC™ Processors
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.2%
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
AMD · 1st Gen AMD EPYC™ ProcessorsAMD · 2nd Gen AMD EPYC™ ProcessorsAMD · 3rd Gen AMD EPYC™ ProcessorsAMD · 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDTAMD · AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4AMD · Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULPAMD · Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”AMD · Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4AMD · Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5AMD · Ryzen™ 3000 Series Desktop Processors “Matisse” AM4AMD · Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”AMD · Ryzen™ Threadripper™ PRO Processors “Castle Peak” WSAMD · Ryzen™ Threadripper™ PRO Processors “Chagall” WSRelated CVEs — AMD 1st Gen AMD EPYC™ Processors
In the same product, most dangerous first.