high
7.5
CWE
125 20
Advisory Published
Updated

CVE-2021-46765: Input Validation

First published: Tue May 09 2023(Updated: )

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

Credit: psirt@amd.com psirt@amd.com

Affected SoftwareAffected VersionHow to fix
All of
AMD Ryzen 6600H Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6600H Firmware
All of
AMD Ryzen 5 6600HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 6600HS Firmware
All of
AMD Ryzen 5 6600U Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6600U Firmware
All of
AMD Ryzen 7 6800H Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800H Firmware
All of
AMD Ryzen 7 6800HS firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800HS firmware
All of
AMD Ryzen 7 6800U Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6800U
All of
AMD Ryzen 9 6900HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HS Firmware
All of
AMD Ryzen 9 6900HX Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HX Firmware
All of
AMD Ryzen 9 6980HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HS Firmware
All of
AMD Ryzen 9 6980HX firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HX
All of
AMD Ryzen 3 5300G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 3 5300G
All of
AMD Ryzen 3 5300G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3 5300G
All of
AMD Ryzen 3 5300GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5300GE Firmware
All of
AMD Ryzen 3 5300GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5300GE Firmware
All of
AMD Ryzen 5 5500 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5500
All of
AMD Ryzen 5 5500 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5500
All of
AMD Ryzen 5 5600 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600
All of
AMD Ryzen 5 5600 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600
All of
AMD Ryzen 5 5600G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5600G Firmware
All of
AMD Ryzen 5 5600G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5600G Firmware
All of
AMD Ryzen 5 5600GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600GE
All of
AMD Ryzen 5 5600GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600GE
All of
AMD Ryzen 5 5600X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600X
All of
AMD Ryzen 5 5600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600X
All of
AMD Ryzen 5 5700G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5700G
All of
AMD Ryzen 5 5700G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5700G
All of
AMD Ryzen 5 5700GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5700GE
All of
AMD Ryzen 5 5700GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5700GE
All of
AMD Ryzen 7 5700X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5700X Firmware
All of
AMD Ryzen 7 5700X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5700X Firmware
All of
AMD Ryzen 7 5800 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5800X
All of
AMD Ryzen 7 5800 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5800X
All of
AMD Ryzen 7 5800X3D Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800X3D
All of
AMD Ryzen 7 5800X3D Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5800X3D
All of
AMD Ryzen 5800X=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800X
All of
AMD Ryzen 5800X=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5800X
All of
AMD Ryzen 9 5900=cezannepi-fp6_1.0.0.b
AMD Ryzen 5900 CPU
All of
AMD Ryzen 9 5900=comboam4v2_pi_1.2.0.8
AMD Ryzen 5900 CPU
All of
AMD Ryzen 9 5900X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5900X
All of
AMD Ryzen 9 5900X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 5900X
All of
AMD Ryzen 5945WX Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 Pro 5945WX
All of
AMD Ryzen 5945WX Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 Pro 5945WX
All of
AMD Ryzen 9 5950X=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5950X
All of
AMD Ryzen 9 5950X=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 5950X
All of
AMD Ryzen 5955WX Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5955WX Firmware
All of
AMD Ryzen 5955WX Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5955WX Firmware
All of
AMD Ryzen 5965WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5965WX
All of
AMD Ryzen 5965WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 5965WX
All of
AMD Ryzen 5975WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5975WX Firmware
All of
AMD Ryzen 5975WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 5975WX Firmware
All of
AMD Ryzen 5995WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5995WX Firmware
All of
AMD Ryzen 5995WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 5995WX Firmware
All of
AMD Ryzen 3 3100 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3100 Firmware
All of
AMD Ryzen 3 3100 Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3100 Firmware
All of
AMD Ryzen 3 3300X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3300X Firmware
All of
AMD Ryzen 3 3300X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3300X Firmware
All of
AMD Ryzen 5 3500=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3500
All of
AMD Ryzen 5 3500=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3500
All of
AMD Ryzen 5 3500X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3500X
All of
AMD Ryzen 5 3500X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3500X
All of
AMD Ryzen 5 3600 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600
All of
AMD Ryzen 5 3600 firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600
All of
AMD Ryzen 5 3600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600X
All of
AMD Ryzen 5 3600X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600X
All of
AMD Ryzen 5 3600XT firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600XT
All of
AMD Ryzen 5 3600XT firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600XT
All of
AMD Ryzen 7 3800X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 3800X
All of
AMD Ryzen 7 3800X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 3800X
All of
AMD Ryzen 7 3800XT Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 3800XT
All of
AMD Ryzen 7 3800XT Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 3800XT
All of
AMD Ryzen 9 3900 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900
All of
AMD Ryzen 9 3900 firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900
All of
AMD Ryzen 9 3900X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900X Firmware
All of
AMD Ryzen 9 3900X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900X Firmware
All of
AMD Ryzen 9 3900XT Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900XT
All of
AMD Ryzen 9 3900XT Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900XT
All of
AMD Ryzen 3950X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3950X Firmware
All of
AMD Ryzen 3950X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3950X Firmware
AMD Ryzen 6600H Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6600H Firmware
AMD Ryzen 5 6600HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 6600HS Firmware
AMD Ryzen 5 6600U Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6600U Firmware
AMD Ryzen 7 6800H Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800H Firmware
AMD Ryzen 7 6800HS firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800HS firmware
AMD Ryzen 7 6800U Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 6800U
AMD Ryzen 9 6900HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HS Firmware
AMD Ryzen 9 6900HX Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HX Firmware
AMD Ryzen 9 6980HS Firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HS Firmware
AMD Ryzen 9 6980HX firmware=rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HX
AMD Ryzen 3 5300G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 3 5300G
AMD Ryzen 3 5300G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3 5300GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5300GE Firmware
AMD Ryzen 3 5300GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5500 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5500
AMD Ryzen 5 5500 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600
AMD Ryzen 5 5600 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5600G Firmware
AMD Ryzen 5 5600G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600GE
AMD Ryzen 5 5600GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600X
AMD Ryzen 5 5600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5700G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5700G
AMD Ryzen 5 5700G Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5700GE Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5700GE
AMD Ryzen 5 5700GE Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5700X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5700X Firmware
AMD Ryzen 7 5700X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5800 Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5800X
AMD Ryzen 7 5800 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5800X3D Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800X3D
AMD Ryzen 7 5800X3D Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5800X=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800X
AMD Ryzen 5800X=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 5900=cezannepi-fp6_1.0.0.b
AMD Ryzen 5900 CPU
AMD Ryzen 9 5900=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 5900X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5900X
AMD Ryzen 9 5900X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5945WX Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 Pro 5945WX
AMD Ryzen 5945WX Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 5950X=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5950X
AMD Ryzen 9 5950X=comboam4v2_pi_1.2.0.8
AMD Ryzen 5955WX Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5955WX Firmware
AMD Ryzen 5955WX Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5965WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5965WX
AMD Ryzen 5965WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 5975WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5975WX Firmware
AMD Ryzen 5975WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 5995WX=cezannepi-fp6_1.0.0.b
AMD Ryzen 5995WX Firmware
AMD Ryzen 5995WX=comboam4v2_pi_1.2.0.8
AMD Ryzen 3 3100 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3100 Firmware
AMD Ryzen 3 3100 Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3 3300X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3300X Firmware
AMD Ryzen 3 3300X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3500=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3500
AMD Ryzen 5 3500=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3500X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3500X
AMD Ryzen 5 3500X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600
AMD Ryzen 5 3600 firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600X
AMD Ryzen 5 3600X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 3600XT firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600XT
AMD Ryzen 5 3600XT firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 3800X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 3800X
AMD Ryzen 7 3800X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 3800XT Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 3800XT
AMD Ryzen 7 3800XT Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900
AMD Ryzen 9 3900 firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900X Firmware
AMD Ryzen 9 3900X Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 3900XT Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900XT
AMD Ryzen 9 3900XT Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3950X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3950X Firmware
AMD Ryzen 3950X Firmware=renoirpi-fp6_1.0.0.9

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-46765?

    CVE-2021-46765 has been assigned a severity rating of high due to the potential for denial of service.

  • How do I fix CVE-2021-46765?

    To mitigate CVE-2021-46765, ensure that your firmware is updated to the latest version provided by AMD.

  • Which devices are affected by CVE-2021-46765?

    CVE-2021-46765 affects specific firmware versions of AMD Ryzen 6000 and 5000 series processors.

  • Is there a workaround for CVE-2021-46765?

    There are no official workarounds for CVE-2021-46765; updating the firmware is the recommended solution.

  • What are the potential impacts of CVE-2021-46765?

    Exploitation of CVE-2021-46765 could lead to out-of-bounds memory reads and consequently a denial of service condition.

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