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CVE-2021-26387

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell t

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

Insufficient access controls in ASP kernel may allow a privileged attacker with access to AMD signing keys and the BIOS menu or UEFI shell to map DRAM regions in protected areas, potentially leading to a loss of platform integrity.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • PI

    various

  • AMD AMD EPYC™ 7002 Series Processors

    various

  • AMD AMD EPYC™ 7003 Series Processors

    various

  • AMD AMD EPYC™ 9004 Series Processors

    various

  • AMD AMD Ryzen™ 3000 Series Desktop Processors

    Version range not reported

  • AMD AMD Ryzen™ 5000 Series Desktop Processors

    Version range not reported

  • AMD AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 7000 Series Desktop Processors

    Version range not reported

  • AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ Threadripper™ 3000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Threadripper™ PRO 3000WX Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Threadripper™ PRO 5000WX Processors

    Version range not reported

  • AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics

    Version range not reported

  • AMD AMD EPYC™ Embedded 3000 Series Processors

    various

  • AMD AMD EPYC™ Embedded 7002 Series Processors

    various

  • AMD AMD EPYC™ Embedded 7003 Series Processors

    various

  • AMD AMD EPYC™ Embedded 9003 Series Processors

    various

  • AMD AMD Ryzen™ Embedded R1000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Embedded R2000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Embedded 5000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Embedded V1000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Embedded V2000 Series Processors

    Version range not reported

  • AMD AMD Ryzen™ Embedded V3000 Series Processors

    Version range not reported

References 2

amd.com