CVE-2021-26316: Input Validation

Published Jan 10, 2023
·
Updated

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

Affected Software

294 affected components
AMD Epyc 7h12 Firmware<romepi_1.0.0.d
AMD Epyc 7h12
AMD Epyc 7f72 Firmware<romepi_1.0.0.d
AMD Epyc 7f72
AMD Epyc 7f52 Firmware<romepi_1.0.0.d
AMD Epyc 7f52
AMD Epyc 7f32 Firmware<romepi_1.0.0.d
AMD Epyc 7f32
AMD Epyc 7742 Firmware<romepi_1.0.0.d
AMD Epyc 7742
AMD Epyc 7702p Firmware<romepi_1.0.0.d
AMD Epyc 7702p
AMD Epyc 7702 Firmware<romepi_1.0.0.d
AMD Epyc 7702
AMD Epyc 7662 Firmware<romepi_1.0.0.d
AMD Epyc 7662
AMD Epyc 7642 Firmware<romepi_1.0.0.d
AMD Epyc 7642
AMD Epyc 7552 Firmware<romepi_1.0.0.d
AMD Epyc 7552
AMD Epyc 7542 Firmware<romepi_1.0.0.d
AMD Epyc 7542
AMD Epyc 7532 Firmware<romepi_1.0.0.d
AMD Epyc 7532
AMD Epyc 7502p Firmware<romepi_1.0.0.d
AMD Epyc 7502p
AMD Epyc 7502 Firmware<romepi_1.0.0.d
AMD Epyc 7502
AMD Epyc 7452 Firmware<romepi_1.0.0.d
AMD Epyc 7452
AMD Epyc 7402 Firmware<romepi_1.0.0.d
AMD Epyc 7402
AMD Epyc 7402p Firmware<romepi_1.0.0.d
AMD Epyc 7402p
AMD Epyc 7352 Firmware<romepi_1.0.0.d
AMD Epyc 7352
AMD Epyc 7302p Firmware<romepi_1.0.0.d
AMD Epyc 7302p
AMD Epyc 7302 Firmware<romepi_1.0.0.d
AMD Epyc 7302
AMD Epyc 7282 Firmware<romepi_1.0.0.d
AMD Epyc 7282
AMD Epyc 7272 Firmware<romepi_1.0.0.d
AMD Epyc 7272
AMD Epyc 7262 Firmware<romepi_1.0.0.d
AMD Epyc 7262
AMD Epyc 7252 Firmware<romepi_1.0.0.d
AMD Epyc 7252
AMD Epyc 7232p Firmware<romepi_1.0.0.d
AMD Epyc 7232p
AMD Epyc 7002 Firmware<romepi_1.0.0.d
AMD Epyc 7002
AMD Epyc 7003 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7003
AMD Epyc 72f3 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 72f3
AMD Epyc 7313 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7313
AMD Epyc 7313p Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7313p
AMD Epyc 7343 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7343
AMD Epyc 7373x Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7373x
AMD Epyc 73f3 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 73f3
AMD Epyc 7413 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7413
AMD Epyc 7443 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7443
AMD Epyc 7443p Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7443p
AMD Epyc 7453 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7453
AMD Epyc 74f3 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 74f3
AMD Epyc 7513 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7513
AMD Epyc 7543 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7543
AMD Epyc 7543p Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7543p
AMD Epyc 7573x Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7573x
AMD Epyc 75f3 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 75f3
AMD Epyc 7643 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7643
AMD Epyc 7663 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7663
AMD Epyc 7713 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7713
AMD Epyc 7713p Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7713p
AMD Epyc 7743 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7743
AMD Epyc 7763 Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7763
AMD Epyc 7773x Firmware<milanpi-sp3_1.0.0.8
AMD Epyc 7773x
AMD Athlon 3050ge Firmware
AMD Athlon 3050ge
AMD Athlon 3150g Firmware
AMD Athlon 3150g
AMD Athlon 3150ge Firmware
AMD Athlon 3150ge
AMD Athlon Gold 3150c Firmware
AMD Athlon Gold 3150c
AMD Athlon Gold 3150ge Firmware
AMD Athlon Gold 3150ge
AMD Athlon Gold 3150u Firmware
AMD Athlon Gold 3150u
AMD Athlon Gold Pro 3150g Firmware
AMD Athlon Gold Pro 3150g
AMD Athlon Gold Pro 3150ge Firmware
AMD Athlon Gold Pro 3150ge
AMD Athlon Pro 3045b Firmware
AMD Athlon Pro 3045b
AMD Athlon Pro 3145b Firmware
AMD Athlon Pro 3145b
AMD Athlon Silver 3050c Firmware
AMD Athlon Silver 3050c
AMD Athlon Silver 3050e Firmware
AMD Athlon Silver 3050e
AMD Athlon Silver 3050ge Firmware
AMD Athlon Silver 3050ge
AMD Athlon Silver 3050u Firmware
AMD Athlon Silver 3050u
AMD Athlon Silver Pro 3125ge Firmware
AMD Athlon Silver Pro 3125ge
AMD Ryzen 3 2200g Firmware
AMD Ryzen 3 2200g
AMD Ryzen 3 2200ge Firmware
AMD Ryzen 3 2200ge
AMD Ryzen 3 2200u Firmware
AMD Ryzen 3 2200u
AMD Ryzen 3 2300u Firmware
AMD Ryzen 3 2300u
AMD Ryzen 3 5125c Firmware
AMD Ryzen 3 5125c
AMD Ryzen 3 5300g Firmware
AMD Ryzen 3 5300g
AMD Ryzen 3 5300ge Firmware
AMD Ryzen 3 5300ge
AMD Ryzen 3 5300u Firmware
AMD Ryzen 3 5300u
AMD Ryzen 3 5400u Firmware
AMD Ryzen 3 5400u
AMD Ryzen 3 5425c Firmware
AMD Ryzen 3 5425c
AMD Ryzen 3 5425u Firmware
AMD Ryzen 3 5425u
AMD Ryzen 3 Pro 2300u Firmware
AMD Ryzen 3 Pro 2300u
AMD Ryzen 5 2400g Firmware
AMD Ryzen 5 2400g
AMD Ryzen 5 2400ge Firmware
AMD Ryzen 5 2400ge
AMD Ryzen 5 2500u Firmware
AMD Ryzen 5 2500u
AMD Ryzen 5 2600 Firmware
AMD Ryzen 5 2600
AMD Ryzen 5 2600h Firmware
AMD Ryzen 5 2600h
AMD Ryzen 5 2600x Firmware
AMD Ryzen 5 2600x
AMD Ryzen 5 2700x Firmware
AMD Ryzen 5 2700x
AMD Ryzen 5 5500 Firmware
AMD Ryzen 5 5500
AMD Ryzen 5 5500u Firmware
AMD Ryzen 5 5500u
AMD Ryzen 5 5560u Firmware
AMD Ryzen 5 5560u
AMD Ryzen 5 5600 Firmware
AMD Ryzen 5 5600
AMD Ryzen 5 5600g Firmware
AMD Ryzen 5 5600g
AMD Ryzen 5 5600ge Firmware
AMD Ryzen 5 5600ge
AMD Ryzen 5 5600h Firmware
AMD Ryzen 5 5600h
AMD Ryzen 5 5600hs Firmware
AMD Ryzen 5 5600hs
AMD Ryzen 5 5600u Firmware
AMD Ryzen 5 5600u
AMD Ryzen 5 5600x Firmware
AMD Ryzen 5 5600x
AMD Ryzen 5 5625c Firmware
AMD Ryzen 5 5625c
AMD Ryzen 5 5625u Firmware
AMD Ryzen 5 5625u
AMD Ryzen 5 5700g Firmware
AMD Ryzen 5 5700g
AMD Ryzen 5 5700ge Firmware
AMD Ryzen 5 5700ge
AMD Ryzen 5 Pro 2500u Firmware
AMD Ryzen 5 Pro 2500u
AMD Ryzen 7 2700 Firmware
AMD Ryzen 7 2700
AMD Ryzen 7 2700u Firmware
AMD Ryzen 7 2700u
AMD Ryzen 7 2700x Firmware
AMD Ryzen 7 2700x
AMD Ryzen 7 2800h Firmware
AMD Ryzen 7 2800h
AMD Ryzen 7 5700g Firmware
AMD Ryzen 7 5700g
AMD Ryzen 7 5700ge Firmware
AMD Ryzen 7 5700ge
AMD Ryzen 7 5700u Firmware
AMD Ryzen 7 5700u
AMD Ryzen 7 5700x Firmware
AMD Ryzen 7 5700x
AMD Ryzen 7 5800 Firmware
AMD Ryzen 7 5800
AMD Ryzen 7 5800h Firmware
AMD Ryzen 7 5800h
AMD Ryzen 7 5800hs Firmware
AMD Ryzen 7 5800hs
AMD Ryzen 7 5800u Firmware
AMD Ryzen 7 5800u
AMD Ryzen 7 5800x Firmware
AMD Ryzen 7 5800x
AMD Ryzen 7 5800x3d Firmware
AMD Ryzen 7 5800x3d
AMD Ryzen 7 5825c Firmware
AMD Ryzen 7 5825c
AMD Ryzen 7 5825u Firmware
AMD Ryzen 7 5825u
AMD Ryzen 7 Pro 2700u Firmware
AMD Ryzen 7 Pro 2700u
AMD Ryzen 9 5900 Firmware
AMD Ryzen 9 5900
AMD Ryzen 9 5900hs Firmware
AMD Ryzen 9 5900hs
AMD Ryzen 9 5900hx Firmware
AMD Ryzen 9 5900hx
AMD Ryzen 9 5900x Firmware
AMD Ryzen 9 5900x
AMD Ryzen 9 5950x Firmware
AMD Ryzen 9 5950x
AMD Ryzen 9 5980hs Firmware
AMD Ryzen 9 5980hs
AMD Ryzen 9 5980hx Firmware
AMD Ryzen 9 5980hx
AMD Ryzen Pro 2200g Firmware
AMD Ryzen Pro 2200g
AMD Ryzen Pro 2200ge Firmware
AMD Ryzen Pro 2200ge
AMD Ryzen Pro 2400g Firmware
AMD Ryzen Pro 2400g
AMD Ryzen Pro 2400ge Firmware
AMD Ryzen Pro 2400ge
AMD Ryzen Pro 5350g Firmware
AMD Ryzen Pro 5350g
AMD Ryzen Pro 5350ge Firmware
AMD Ryzen Pro 5350ge
AMD Ryzen Pro 5650g Firmware
AMD Ryzen Pro 5650g
AMD Ryzen Pro 5650ge Firmware
AMD Ryzen Pro 5650ge
AMD Ryzen Pro 5750g Firmware
AMD Ryzen Pro 5750g
AMD Ryzen Pro 5750ge Firmware
AMD Ryzen Pro 5750ge
AMD Ryzen Threadripper 2920x Firmware
AMD Ryzen Threadripper 2920x
AMD Ryzen Threadripper 2950x Firmware
AMD Ryzen Threadripper 2950x
AMD Ryzen Threadripper 2970wx Firmware
AMD Ryzen Threadripper 2970wx
AMD Ryzen Threadripper 2990wx Firmware
AMD Ryzen Threadripper 2990wx
AMD Ryzen Threadripper Pro 3795wx Firmware
AMD Ryzen Threadripper Pro 3795wx
AMD Ryzen Threadripper Pro 3945wx Firmware
AMD Ryzen Threadripper Pro 3945wx
AMD Ryzen Threadripper Pro 3955wx Firmware
AMD Ryzen Threadripper Pro 3955wx
AMD Ryzen Threadripper Pro 3975wx Firmware
AMD Ryzen Threadripper Pro 3975wx
AMD Ryzen Threadripper Pro 3995wx Firmware
AMD Ryzen Threadripper Pro 3995wx
AMD Ryzen Threadripper Pro 5945wx Firmware
AMD Ryzen Threadripper Pro 5945wx
AMD Ryzen Threadripper Pro 5955wx Firmware
AMD Ryzen Threadripper Pro 5955wx
AMD Ryzen Threadripper Pro 5965wx Firmware
AMD Ryzen Threadripper Pro 5965wx
AMD Ryzen Threadripper Pro 5975wx Firmware
AMD Ryzen Threadripper Pro 5975wx
AMD Ryzen Threadripper Pro 5995wx Firmware
AMD Ryzen Threadripper Pro 5995wx

Event History

Jan 10, 2023
CVE Published
via MITRE·07:46 PM
Data Sourced
via MITRE·07:46 PM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2021-26316?

CVE-2021-26316 has been classified as a high severity vulnerability due to the potential for arbitrary code execution in System Management Mode.

2

How do I fix CVE-2021-26316?

To remediate CVE-2021-26316, update the affected AMD EPYC firmware to versions above romepi_1.0.0.d or milanpi-sp3_1.0.0.8.

3

What systems are affected by CVE-2021-26316?

CVE-2021-26316 affects several AMD EPYC firmware versions, specifically those below romepi_1.0.0.d and milanpi-sp3_1.0.0.8.

4

What can attackers achieve with CVE-2021-26316?

Exploitation of CVE-2021-26316 may allow attackers to execute arbitrary code within the System Management Mode of the target system.

5

Is there a workaround for CVE-2021-26316?

Currently, there are no specific workarounds for CVE-2021-26316; the primary mitigation is to update the affected firmware.

Company

Resources

Contact

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