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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2021-46755

Failure to unmap certain SysHub mappings in

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

Description

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.

Affected products

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

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 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 Ryzen™ Threadripper™ PRO Processors “Chagall” WS

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

References