Riskcovery

CVE-2021-46755

State
Published
Severity
7.5 High
Published
May 9, 2023
Updated
Jan 28, 2025
Reserved
Mar 31, 2022

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
Ryzen™ 3000 Series Desktop Processors “Matisse” AM4AMD
  • various Affected
AMD Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4AMD
  • various Affected
Ryzen™ 5000 Series Desktop processor with Radeon™ Graphics “Cezanne” AM4AMD
  • various Affected
3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDTAMD
  • variousAffected
Ryzen™ Threadripper™ PRO Processors “Castle Peak” WSAMD
  • various Affected
Ryzen™ Threadripper™ PRO Processors “Chagall” WSAMD
  • various Affected
Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Renoir”AMD
  • various Affected
Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”AMD
  • various Affected
Ryzen™ 5000 Series Mobile processors with Radeon™ Graphics “Cezanne”AMD
  • various Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.