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9.1 Critical

CVE-2021-46756 Insufficient validation of inputs in SVC_MAP_USER_STACK in the ASP (AMD Secure Processor) bootloader may allow an…

Description

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.

Affected products and versions

Product Affected versions Fixed in
Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 Versions not published
Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge” Versions not published
Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 Versions not published
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 Versions not published
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 Versions not published
2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax” Versions not published
3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT Versions not published
Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS Versions not published
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP Versions not published
Show the 9 other branches
Product Affected versions Fixed in
Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock” Versions not published
Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5 Versions not published
Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso” Versions not published
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” Versions not published
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” Versions not published
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” Versions not published
1st Gen AMD EPYC™ Processors Versions not published
2nd Gen AMD EPYC™ Processors Versions not published
3rd Gen AMD EPYC™ Processors Versions not published

Other CVEs of Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4

The 11 CVEs of Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 →
CVE-2021-46794 Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management… 7.5 High CVE-2021-46792 Time-of-check Time-of-use (TOCTOU) in the BIOS2PSP command may allow an attacker with a malicious BIOS to create a… 5.9 Medium CVE-2021-46773 Insufficient input validation in ABL may enable a privileged attacker to corrupt ASP memory, potentially resulting in… 8.8 High CVE-2021-46759 Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical… 6.1 Medium
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