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CVE-2021-46755

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2021
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

Failure to unmap certain SysHub mappings in error paths of the ASP (AMD Secure Processor) bootloader may allow an attacker with a malicious bootloader to exhaust the SysHub resources resulting in a potential denial of service.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Ryzen™ 3000 Series Desktop Processors “Matisse” AM4

Vendor
AMD
Product
Ryzen™ 3000 Series Desktop Processors “Matisse” AM4
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4

Vendor
AMD
Product
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4
Platforms
  • x86
Default status
unaffected
Package
AGESA
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

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

Vendor
AMD
Product
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4 · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

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

Vendor
AMD
Product
3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT
Platforms
  • x86
Default status
unaffected
Package
AGESA
3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDT · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
variousaffectedUnavailableUnavailableUnavailableNone listed

Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS

Vendor
AMD
Product
Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

Ryzen™ Threadripper™ PRO Processors “Chagall” WS

Vendor
AMD
Product
Ryzen™ Threadripper™ PRO Processors “Chagall” WS
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ Threadripper™ PRO Processors “Chagall” WS · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

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

Vendor
AMD
Product
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir” · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

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

Vendor
AMD
Product
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne” · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed

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

Vendor
AMD
Product
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”
Platforms
  • x86
Default status
unaffected
Package
AGESA
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne” · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
various affectedUnavailableUnavailableUnavailableNone listed