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
All of
amd ryzen 6600hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6600hs
All of
amd ryzen 6600u firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6600u
All of
amd ryzen 6800h firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800h
All of
amd ryzen 6800hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800hs
All of
amd ryzen 6800u firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800u
All of
amd ryzen 6900hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6900hs
All of
amd ryzen 6900hx firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6900hx
All of
amd ryzen 6980hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6980hs
All of
amd ryzen 6980hx firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 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 5500 firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5500
All of
amd ryzen 5500 firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5500
All of
Amd Ryzen Firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5600
All of
Amd Ryzen Firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5600
All of
AMD Ryzen 5600G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5600G Firmware
All of
AMD Ryzen 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 5600X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600X
All of
AMD Ryzen 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 5700x firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5700x
All of
amd ryzen 5700x firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5700x
All of
amd ryzen 5800 firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5800X
All of
amd ryzen 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 5945wx
All of
AMD Ryzen 5945WX Firmware=comboam4v2_pi_1.2.0.8
amd ryzen 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
All of
amd ryzen 5955wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5955wx
All of
amd ryzen 5965wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5965wx
All of
amd ryzen 5965wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5965wx
All of
amd ryzen 5975wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5975wx
All of
amd ryzen 5975wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5975wx
All of
amd ryzen 5995wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5995wx
All of
amd ryzen 5995wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5995wx
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 3600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600X
All of
AMD Ryzen 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 3800x
All of
AMD Ryzen 7 3800X Firmware=renoirpi-fp6_1.0.0.9
amd ryzen 3800x
All of
amd ryzen 3800xt firmware=comboam4v2_pi_1.2.0.8
amd ryzen 3800xt
All of
amd ryzen 3800xt firmware=renoirpi-fp6_1.0.0.9
amd ryzen 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 3900xt firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900XT
All of
amd ryzen 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
All of
amd ryzen 3950x firmware=renoirpi-fp6_1.0.0.9
amd ryzen 3950x
amd ryzen 6600h firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6600h
amd ryzen 6600hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6600hs
amd ryzen 6600u firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6600u
amd ryzen 6800h firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800h
amd ryzen 6800hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800hs
amd ryzen 6800u firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6800u
amd ryzen 6900hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6900hs
amd ryzen 6900hx firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6900hx
amd ryzen 6980hs firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 6980hs
amd ryzen 6980hx firmware=rembrandtpi-fp7_1.0.0.5
amd ryzen 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 5500 firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5500
amd ryzen 5500 firmware=comboam4v2_pi_1.2.0.8
Amd Ryzen Firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5600
Amd Ryzen Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5600G Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5600G Firmware
AMD Ryzen 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 5600X Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600X
AMD Ryzen 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 5700x firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5700x
amd ryzen 5700x firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5800 firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5800X
amd ryzen 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 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
amd ryzen 5955wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5965wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5965wx
amd ryzen 5965wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5975wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5975wx
amd ryzen 5975wx firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5995wx firmware=cezannepi-fp6_1.0.0.b
amd ryzen 5995wx
amd ryzen 5995wx firmware=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 3600X Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 3600X
AMD Ryzen 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 3800x
AMD Ryzen 7 3800X Firmware=renoirpi-fp6_1.0.0.9
amd ryzen 3800xt firmware=comboam4v2_pi_1.2.0.8
amd ryzen 3800xt
amd ryzen 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 3900xt firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 9 3900XT
amd ryzen 3900xt firmware=renoirpi-fp6_1.0.0.9
amd ryzen 3950x firmware=comboam4v2_pi_1.2.0.8
amd ryzen 3950x
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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