CVE-2021-46756
28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1epss 0.6%
exploitation probability
0.6%top 51% of all CVEs
observed exploitation
nono source reports it
Insufficient validation of inputs in
SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an
attacker with a malicious Uapp or ABL to send malformed or invalid syscall to
the bootloader resulting in a potential denial of service and loss of
integrity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Affected products
AMD · 1st Gen AMD EPYC™ ProcessorsAMD · 2nd Gen AMD EPYC™ ProcessorsAMD · 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”AMD · 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 “Pinnacle Ridge”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™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”AMD · Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4AMD · Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”AMD · Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”AMD · Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS