critical
9.8
CWE
20
Advisory Published
Updated

CVE-2022-23820: Input Validation

First published: Tue Nov 14 2023(Updated: )

Failure to validate the AMD SMM communication buffer may allow an attacker to corrupt the SMRAM potentially leading to arbitrary code execution.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
All of
Any of
AMD Ryzen 9 3900X Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 9 3900X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 Pro 3900
All of
Any of
AMD Ryzen 9 3900X=comboam4_pi_1.0.0.9
AMD Ryzen 9 3900X=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 3900X
All of
Any of
AMD Ryzen 9 3900XT Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 9 3900XT Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 3900XT Firmware
All of
Any of
AMD Ryzen 9 3950x firmware=comboam4_pi_1.0.0.9
AMD Ryzen 9 3950x firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 3950x firmware
All of
Any of
AMD Ryzen 7 3700X Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 7 3700X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 3700X Firmware
All of
Any of
AMD Ryzen 7 3800XT Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 7 3800XT Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 3800X
All of
Any of
AMD Ryzen 7 3800XT Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 7 3800XT Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 3800XT Firmware
All of
Any of
AMD Ryzen 5 3500 firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 3500 firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 3500
All of
Any of
AMD Ryzen 5 3500X Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 3500X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 3500X Firmware
All of
Any of
AMD Ryzen 5 3600 firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 3600 firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 3600
All of
Any of
AMD Ryzen 5 3600X Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 3600X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 3600X Firmware
All of
Any of
AMD Ryzen 5 3600XT firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 3600XT firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 3600XT firmware
All of
Any of
AMD Ryzen 3 3100 Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 3 3100 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 3 3100 Firmware
All of
Any of
AMD Ryzen 3 3300X Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 3 3300X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 3 3300X Firmware
All of
AMD Ryzen 9 5900 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5900 CPU
All of
AMD Ryzen 9 5900X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 5900X
All of
AMD Ryzen 9 5950X=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 5950X
All of
AMD Ryzen 9 Pro 5945 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 9 Pro 5945 Firmware
All of
AMD Ryzen 7 Pro 5845 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 Pro 5845 Firmware
All of
AMD Ryzen 7 5800 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 5800
All of
AMD Ryzen 7 5800X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 5800X
All of
AMD Ryzen 7 5700X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 7 5700X Firmware
All of
AMD Ryzen 5 5600 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 5600
All of
AMD Ryzen 5 5600X Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 5600X Firmware
All of
amd ryzen 5 56003xd firmware=comboam4_v2_pi_1.2.0.8
amd ryzen 5 56003xd
All of
AMD Ryzen 5 Pro 5645 Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 Pro 5645
All of
AMD Ryzen 5 5500 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600
All of
amd ryzen 5 5500x firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600X Firmware
All of
amd ryzen 5 55003xd firmware=comboam4v2_pi_1.2.0.8
amd ryzen 5 56003xd
All of
AMD Ryzen 7 5700 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5700U Firmware
All of
AMD Ryzen 5 5500 firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5500 firmware
All of
AMD Ryzen 3 5100 Firmware=comboam4v2_pi_1.2.0.8
AMD Ryzen 3 5100 Firmware
All of
Any of
AMD Ryzen 5 Pro 3400G Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 Pro 3400G Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 Pro 3400G Firmware
All of
Any of
AMD Ryzen 5 Pro 3400GE Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 Pro 3400GE Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 Pro 3400GE Firmware
All of
Any of
AMD Ryzen Pro 3350G Firmware=comboam4_pi_1.0.0.9
AMD Ryzen Pro 3350G Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen Pro 3350G Firmware
All of
Any of
AMD Ryzen 5 Pro 3350GE Firmware=comboam4_pi_1.0.0.9
AMD Ryzen 5 Pro 3350GE Firmware=comboam4_v2_pi_1.2.0.8
AMD Ryzen 5 Pro 3350GE Firmware
All of
AMD Ryzen Threadripper 2990WX=summitpi-sp3r2_1.1.0.6
AMD Ryzen Threadripper 2990WX
All of
AMD Ryzen Threadripper 2970WX Firmware=summitpi-sp3r2_1.1.0.6
AMD Ryzen Threadripper 2970WX Firmware
All of
AMD Ryzen Threadripper 2950X Firmware=summitpi-sp3r2_1.1.0.6
AMD Ryzen Threadripper 2950X Firmware
All of
AMD Ryzen Threadripper 2920X Firmware=summitpi-sp3r2_1.1.0.6
AMD Ryzen Threadripper 2920X Firmware
All of
AMD Ryzen Threadripper Pro 3995WX Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper Pro 3995WX
All of
AMD Ryzen Threadripper Pro 3975WX Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper Pro 3975WX Firmware
All of
AMD Ryzen Threadripper Pro 3955WX Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper Pro 3955WX
All of
AMD Ryzen Threadripper Pro 3945WX Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper Pro 3945WX Firmware
All of
AMD Ryzen Threadripper 3990X=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper 3990X
All of
AMD Ryzen Threadripper 3970X Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper 3970X Firmware
All of
AMD Ryzen Threadripper 3960X Firmware=castlepeakpi-sp3r2_1.1.0.8
AMD Ryzen Threadripper 3960X Firmware
All of
amd athlon 3015e firmware=pollockpi-ft5_1.0.0.5
amd athlon 3015e
All of
AMD AMD 3015ce firmware=pollockpi-ft5_1.0.0.5
amd athlon 3015ce
All of
amd ryzen 7 3780u firmware=picassopi-fp5_1.0.0.e
amd ryzen 7 3780u
All of
AMD Ryzen 7 3750H Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 7 3750H
All of
AMD Ryzen 7 3700C Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 7 3700C Firmware
All of
AMD Ryzen 7 3700U Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 7 3700U
All of
amd ryzen 5 3580u firmware=picassopi-fp5_1.0.0.e
amd ryzen 5 3580u
All of
AMD Ryzen 5 3550H Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 5 3550H Firmware
All of
AMD Ryzen 5 3500C Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 5 3500C Firmware
All of
AMD Ryzen 5 3500U Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 5 3500U
All of
AMD Ryzen 5 3450U Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 5 3450U
All of
amd ryzen 3 3350u firmware=picassopi-fp5_1.0.0.e
amd ryzen 3 3350u
All of
AMD Ryzen 3 Pro 3300U Firmware=picassopi-fp5_1.0.0.e
AMD Ryzen 3 Pro 3300U
All of
AMD Ryzen 9 4900H Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 9 4900H Firmware
All of
amd ryzen 9 4900hs firmware=renoirpi-fp6_1.0.0.9
amd ryzen 9 4900hs
All of
amd ryzen 7 4800hs firmware=renoirpi-fp6_1.0.0.9
amd ryzen 7 4800hs
All of
AMD Ryzen 7 4800H Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 4800H
All of
AMD Ryzen 7 4800U Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 4800U Firmware
All of
AMD Ryzen 7 4700U Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 7 4700U
All of
amd ryzen 7 4980u firmware=renoirpi-fp6_1.0.0.9
amd ryzen 7 4980u
All of
AMD Ryzen 5 4600H Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 4600H Firmware
All of
amd ryzen 5 4600hs firmware=renoirpi-fp6_1.0.0.9
amd ryzen 5 4600hs
All of
AMD Ryzen 5 4500U Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 4500U
All of
AMD Ryzen 5 4600U Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 5 4600U Firmware
All of
amd ryzen 5 4680u firmware=renoirpi-fp6_1.0.0.9
amd ryzen 5 4680u
All of
AMD Ryzen 3 4300U Firmware=renoirpi-fp6_1.0.0.9
AMD Ryzen 3 4300U
All of
AMD Ryzen 9 5900HS Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5900HS Firmware
All of
AMD Ryzen 9 5900HX Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5900HX
All of
AMD Ryzen 9 5980HX=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5980HX Firmware
All of
AMD Ryzen 9 5980HS Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 9 5980HS Firmware
All of
AMD Ryzen 7 5800H Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800H Firmware
All of
AMD Ryzen 7 5800HS Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800HS Firmware
All of
AMD Ryzen 7 5825U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5825U Firmware
All of
AMD Ryzen 7 5800U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 7 5800U Firmware
All of
AMD Ryzen 5 5600H Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600H
All of
AMD Ryzen 5 5600HS Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600HS
All of
AMD Ryzen 5 5625U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5625U Firmware
All of
AMD Ryzen 5 5600U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5600U
All of
AMD Ryzen 5 5560U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5560U Firmware
All of
amd ryzen 5 5500h firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 5 5500H
All of
AMD Ryzen 3 5425U=cezannepi-fp6_1.0.0.b
AMD Ryzen 3 5425U
All of
AMD Ryzen 3 5400U Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 3 5400U
All of
AMD Ryzen 3 5125C Firmware=cezannepi-fp6_1.0.0.b
AMD Ryzen 3 5125C
All of
AMD Ryzen 9 6900HS Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 9 6900HS Firmware
All of
AMD Ryzen 9 6900HX Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 9 6900HX Firmware
All of
AMD Ryzen 9 6980HX firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 9 6980HX firmware
All of
AMD Ryzen 9 6980HS Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 9 6980HS Firmware
All of
AMD Ryzen 7 6800H Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 6800H Firmware
All of
AMD Ryzen 7 6800HS firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 6800HS firmware
All of
AMD Ryzen 7 6800U Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 6800U Firmware
All of
AMD Ryzen 5 6600H firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 5 6600H firmware
All of
AMD Ryzen 5 6600HS Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 5 6600HS Firmware
All of
AMD Ryzen 5 6600U Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 5 6600U Firmware
All of
AMD Ryzen 3 7335U Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 3 7335U Firmware
All of
AMD Ryzen 5 7535U firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 5 7535U firmware
All of
AMD Ryzen 5 7535HS Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 5 7535HS Firmware
All of
AMD Ryzen 7 7735U Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 7735U Firmware
All of
AMD Ryzen 7 7736U Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 7736U
All of
AMD Ryzen 7 7735HS Firmware=rembrandtpi-fp7_1.0.0.2
AMD Ryzen 7 7735HS Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-23820?

    CVE-2022-23820 has a severity rating that suggests it could lead to arbitrary code execution if exploited.

  • How do I fix CVE-2022-23820?

    To fix CVE-2022-23820, update to the latest firmware versions provided by AMD for affected processors.

  • Which AMD products are affected by CVE-2022-23820?

    The affected AMD products include specific firmware versions for Ryzen 9, 7, 5, and 3 CPUs as well as Ryzen Threadripper and Athlon series.

  • Can CVE-2022-23820 be exploited remotely?

    Yes, CVE-2022-23820 may be exploited remotely if an attacker can send crafted messages to the vulnerable components.

  • Are there any mitigations for CVE-2022-23820 if I can't update immediately?

    Temporary mitigation strategies may include disabling SMM interfaces or restricting access to vulnerable systems until a firmware update can be applied.

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