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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2021-46756

Insufficient validation of inputs in

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
AMD

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4

Default version status: unaffected

  • various affected

AMD Ryzen™ 2000 Series Desktop Processors “Pinnacle Ridge”

Default version status: unaffected

  • various affected

AMD Ryzen™ 3000 Series Desktop Processors “Matisse” AM4

Default version status: unaffected

  • various affected

AMD AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4

Default version status: unaffected

  • Various affected

AMD 2nd Gen AMD Ryzen™ Threadripper™ Processors “Colfax”

Default version status: unaffected

  • various affected

AMD 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT

Default version status: unaffected

  • variousaffected

AMD Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS

Default version status: unaffected

  • various affected

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” ULP

Default version status: unaffected

  • various affected

AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”

Default version status: unaffected

  • various affected

AMD Ryzen™ 2000 Series Mobile Processors “Raven Ridge” FP5

Default version status: unaffected

  • various affected

AMD Ryzen™ 3000 Series Mobile processor, 2nd Gen AMD Ryzen™ Mobile Processors with Radeon™ Graphics “Picasso”

Default version status: unaffected

  • various affected

AMD Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”

Default version status: unaffected

  • various affected

AMD Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”

Default version status: unaffected

  • various affected

AMD 1st Gen AMD EPYC™ Processors

Default version status: unaffected

  • various affected

AMD 2nd Gen AMD EPYC™ Processors

Default version status: unaffected

  • various affected

AMD 3rd Gen AMD EPYC™ Processors

Default version status: unaffected

  • various affected

References