7.8
CVSSv3

CVE-2021-26316

Published: 11/01/2023 Updated: 08/08/2023
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 0

Vulnerability Summary

Failure to validate the communication buffer and communication service in the BIOS may allow an malicious user to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.

Vulnerability Trend

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amd epyc_7h12_firmware

amd epyc_7f72_firmware

amd epyc_7f52_firmware

amd epyc_7f32_firmware

amd epyc_7742_firmware

amd epyc_7702p_firmware

amd epyc_7702_firmware

amd epyc_7662_firmware

amd epyc_7642_firmware

amd epyc_7552_firmware

amd epyc_7542_firmware

amd epyc_7532_firmware

amd epyc_7502p_firmware

amd epyc_7502_firmware

amd epyc_7452_firmware

amd epyc_7402_firmware

amd epyc_7402p_firmware

amd epyc_7352_firmware

amd epyc_7302p_firmware

amd epyc_7302_firmware

amd epyc_7282_firmware

amd epyc_7272_firmware

amd epyc_7262_firmware

amd epyc_7252_firmware

amd epyc_7232p_firmware

amd epyc_7002_firmware

amd epyc_7003_firmware

amd epyc_72f3_firmware

amd epyc_7313_firmware

amd epyc_7313p_firmware

amd epyc_7343_firmware

amd epyc_7373x_firmware

amd epyc_73f3_firmware

amd epyc_7413_firmware

amd epyc_7443_firmware

amd epyc_7443p_firmware

amd epyc_7453_firmware

amd epyc_74f3_firmware

amd epyc_7513_firmware

amd epyc_7543_firmware

amd epyc_7543p_firmware

amd epyc_7573x_firmware

amd epyc_75f3_firmware

amd epyc_7643_firmware

amd epyc_7663_firmware

amd epyc_7713_firmware

amd epyc_7713p_firmware

amd epyc_7743_firmware

amd epyc_7763_firmware

amd epyc_7773x_firmware

amd athlon_3050ge_firmware -

amd athlon_3150g_firmware -

amd athlon_3150ge_firmware -

amd athlon_gold_3150c_firmware -

amd athlon_gold_3150ge_firmware -

amd athlon_gold_3150u_firmware -

amd athlon_gold_pro_3150g_firmware -

amd athlon_gold_pro_3150ge_firmware -

amd athlon_pro_3045b_firmware -

amd athlon_pro_3145b_firmware -

amd athlon_silver_3050c_firmware -

amd athlon_silver_3050e_firmware -

amd athlon_silver_3050ge_firmware -

amd athlon_silver_3050u_firmware -

amd athlon_silver_pro_3125ge_firmware -

amd ryzen_3_2200g_firmware -

amd ryzen_3_2200ge_firmware -

amd ryzen_3_2200u_firmware -

amd ryzen_3_2300u_firmware -

amd ryzen_3_5125c_firmware -

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amd ryzen_3_pro_2300u_firmware -

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amd ryzen_5_pro_2500u_firmware -

amd ryzen_7_2700_firmware -

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amd ryzen_7_5700g_firmware -

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amd ryzen_7_5800_firmware -

amd ryzen_7_5800h_firmware -

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amd ryzen_7_5800u_firmware -

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amd ryzen_7_5800x3d_firmware -

amd ryzen_7_5825c_firmware -

amd ryzen_7_5825u_firmware -

amd ryzen_7_pro_2700u_firmware -

amd ryzen_9_5900_firmware -

amd ryzen_9_5900hs_firmware -

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amd ryzen_9_5900x_firmware -

amd ryzen_9_5950x_firmware -

amd ryzen_9_5980hs_firmware -

amd ryzen_9_5980hx_firmware -

amd ryzen_pro_2200g_firmware -

amd ryzen_pro_2200ge_firmware -

amd ryzen_pro_2400g_firmware -

amd ryzen_pro_2400ge_firmware -

amd ryzen_pro_5350g_firmware -

amd ryzen_pro_5350ge_firmware -

amd ryzen_pro_5650g_firmware -

amd ryzen_pro_5650ge_firmware -

amd ryzen_pro_5750g_firmware -

amd ryzen_pro_5750ge_firmware -

amd ryzen_threadripper_2920x_firmware -

amd ryzen_threadripper_2950x_firmware -

amd ryzen_threadripper_2970wx_firmware -

amd ryzen_threadripper_2990wx_firmware -

amd ryzen_threadripper_pro_3795wx_firmware -

amd ryzen_threadripper_pro_3945wx_firmware -

amd ryzen_threadripper_pro_3955wx_firmware -

amd ryzen_threadripper_pro_3975wx_firmware -

amd ryzen_threadripper_pro_3995wx_firmware -

amd ryzen_threadripper_pro_5945wx_firmware -

amd ryzen_threadripper_pro_5955wx_firmware -

amd ryzen_threadripper_pro_5965wx_firmware -

amd ryzen_threadripper_pro_5975wx_firmware -

amd ryzen_threadripper_pro_5995wx_firmware -

Vendor Advisories

Description<!---->A flaw was found in hw Failure to validate the BIOS's communication buffer and communication service may allow an attacker to tamper with the buffer, resulting in potential System Management Mode (SMM) arbitrary code executionA flaw was found in hw Failure to validate the BIOS's communication buffer and communication service ma ...