CVE-2021-46774: High severity amd epyc server firmware vulnerability
Published Nov 14, 2023
·Updated
Insufficient DRAM address validation in System Management Unit (SMU) may allow an attacker to read/write from/to an invalid DRAM address, potentially resulting in denial-of-service.
Affected Software
274 affected components
All of the following
AMD Epyc 7001 Firmware<naplespi_1.0.0.k
AMD Epyc 7001
All of the following
AMD Epyc 7251 Firmware<naplespi_1.0.0.k
AMD Epyc 7251
All of the following
AMD Epyc 7261 Firmware<naplespi_1.0.0.k
AMD Epyc 7261
All of the following
AMD Epyc 7281 Firmware<naplespi_1.0.0.k
AMD Epyc 7281
All of the following
AMD Epyc 7301 Firmware<naplespi_1.0.0.k
AMD Epyc 7301
All of the following
AMD Epyc 7351 Firmware<naplespi_1.0.0.k
AMD Epyc 7351
All of the following
AMD Epyc 7351p Firmware<naplespi_1.0.0.k
AMD Epyc 7351p
All of the following
AMD Epyc 7371 Firmware<naplespi_1.0.0.k
AMD Epyc 7371
All of the following
AMD Epyc 7401 Firmware<naplespi_1.0.0.k
AMD Epyc 7401
All of the following
AMD Epyc 7401p Firmware<naplespi_1.0.0.k
AMD Epyc 7401p
All of the following
AMD Epyc 7451 Firmware<naplespi_1.0.0.k
AMD Epyc 7451
All of the following
AMD Epyc 7501 Firmware<naplespi_1.0.0.k
AMD Epyc 7501
All of the following
AMD Epyc 7551 Firmware<naplespi_1.0.0.k
AMD Epyc 7551
All of the following
AMD Epyc 7551p Firmware<naplespi_1.0.0.k
AMD Epyc 7551p
All of the following
AMD Epyc 7601 Firmware<naplespi_1.0.0.k
AMD Epyc 7601
All of the following
AMD Epyc 7232p Firmware<romepi_1.0.0.g
AMD Epyc 7232p
All of the following
AMD Epyc 7252 Firmware<romepi_1.0.0.g
AMD Epyc 7252
All of the following
AMD Epyc 7262 Firmware<romepi_1.0.0.g
AMD Epyc 7262
All of the following
AMD Epyc 7272 Firmware<romepi_1.0.0.g
AMD Epyc 7272
All of the following
AMD Epyc 7282 Firmware<romepi_1.0.0.g
AMD Epyc 7282
All of the following
AMD Epyc 7302 Firmware<romepi_1.0.0.g
AMD Epyc 7302
All of the following
AMD Epyc 7302p Firmware<romepi_1.0.0.g
AMD Epyc 7302p
All of the following
AMD Epyc 7352 Firmware<romepi_1.0.0.g
AMD Epyc 7352
All of the following
AMD Epyc 7402 Firmware<romepi_1.0.0.g
AMD Epyc 7402
All of the following
AMD Epyc 7402p Firmware<romepi_1.0.0.g
AMD Epyc 7402p
All of the following
AMD Epyc 7452 Firmware<romepi_1.0.0.g
AMD Epyc 7452
All of the following
AMD Epyc 7502 Firmware<romepi_1.0.0.g
AMD Epyc 7502
All of the following
AMD Epyc 7502p Firmware<romepi_1.0.0.g
AMD Epyc 7502p
All of the following
AMD Epyc 7532 Firmware<romepi_1.0.0.g
AMD Epyc 7532
All of the following
AMD Epyc 7542 Firmware<romepi_1.0.0.g
AMD Epyc 7542
All of the following
AMD Epyc 7552 Firmware<romepi_1.0.0.g
AMD Epyc 7552
All of the following
AMD Epyc 7642 Firmware<romepi_1.0.0.g
AMD Epyc 7642
All of the following
AMD Epyc 7662 Firmware<romepi_1.0.0.g
AMD Epyc 7662
All of the following
AMD Epyc 7702 Firmware<romepi_1.0.0.g
AMD Epyc 7702
All of the following
AMD Epyc 7702p Firmware<romepi_1.0.0.g
AMD Epyc 7702p
All of the following
AMD Epyc 7742 Firmware<romepi_1.0.0.g
AMD Epyc 7742
All of the following
AMD Epyc 7f32 Firmware<romepi_1.0.0.g
AMD Epyc 7f32
All of the following
AMD Epyc 7f52 Firmware<romepi_1.0.0.g
AMD Epyc 7f52
All of the following
AMD Epyc 7f72 Firmware<romepi_1.0.0.g
AMD Epyc 7f72
All of the following
AMD Epyc 7h12 Firmware<romepi_1.0.0.g
AMD Epyc 7h12
All of the following
AMD Epyc 7763 Firmware<milanpi_1.0.0.b
AMD Epyc 7763
All of the following
AMD Epyc 7713p Firmware<milanpi_1.0.0.b
AMD Epyc 7713p
All of the following
AMD Epyc 7713 Firmware<milanpi_1.0.0.b
AMD Epyc 7713
All of the following
AMD Epyc 7663p Firmware<milanpi_1.0.0.b
AMD Epyc 7663p
All of the following
AMD Epyc 7663 Firmware<milanpi_1.0.0.b
AMD Epyc 7663
All of the following
AMD Epyc 7643p Firmware<milanpi_1.0.0.b
AMD Epyc 7643p
All of the following
AMD Epyc 7773x Firmware<milanpi_1.0.0.b
AMD Epyc 7773x
All of the following
AMD Epyc 7643 Firmware<milanpi_1.0.0.b
AMD Epyc 7643
All of the following
AMD Epyc 7573x Firmware<milanpi_1.0.0.b
AMD Epyc 7573x
All of the following
AMD Epyc 75f3 Firmware<milanpi_1.0.0.b
AMD Epyc 75f3
All of the following
AMD Epyc 7543p Firmware<milanpi_1.0.0.b
AMD Epyc 7543p
All of the following
AMD Epyc 7543 Firmware<milanpi_1.0.0.b
AMD Epyc 7543
All of the following
AMD Epyc 7513 Firmware<milanpi_1.0.0.b
AMD Epyc 7513
All of the following
AMD Epyc 7473x Firmware<milanpi_1.0.0.b
AMD Epyc 7473x
All of the following
AMD Epyc 7453 Firmware<milanpi_1.0.0.b
AMD Epyc 7453
All of the following
AMD Epyc 74f3 Firmware<milanpi_1.0.0.b
AMD Epyc 74f3
All of the following
AMD Epyc 7443p Firmware<milanpi_1.0.0.b
AMD Epyc 7443p
All of the following
AMD Epyc 7443 Firmware<milanpi_1.0.0.b
AMD Epyc 7443
All of the following
AMD Epyc 7413 Firmware<milanpi_1.0.0.b
AMD Epyc 7413
All of the following
AMD Epyc 7373x Firmware<milanpi_1.0.0.b
AMD Epyc 7373x
All of the following
AMD Epyc 73f3 Firmware<milanpi_1.0.0.b
AMD Epyc 73f3
All of the following
AMD Epyc 7343 Firmware<milanpi_1.0.0.b
AMD Epyc 7343
All of the following
AMD Epyc 7313p Firmware<milanpi_1.0.0.b
AMD Epyc 7313p
All of the following
AMD Epyc 7313 Firmware<milanpi_1.0.0.b
AMD Epyc 7313
All of the following
AMD Epyc 7303p Firmware<milanpi_1.0.0.b
AMD Epyc 7303p
All of the following
AMD Epyc 7303 Firmware<milanpi_1.0.0.b
AMD Epyc 7303
All of the following
AMD Epyc 72f3 Firmware<milanpi_1.0.0.b
AMD Epyc 72f3
All of the following
AMD Epyc 7203p Firmware<milanpi_1.0.0.b
AMD Epyc 7203p
All of the following
AMD Epyc 7203 Firmware<milanpi_1.0.0.b
AMD Epyc 7203
All of the following
AMD Epyc 9654p Firmware<genoapi_1.0.0.8
AMD Epyc 9654p
All of the following
AMD Epyc 9654 Firmware<genoapi_1.0.0.8
AMD Epyc 9654
All of the following
AMD Epyc 9634 Firmware<genoapi_1.0.0.8
AMD Epyc 9634
All of the following
AMD Epyc 9554p Firmware<genoapi_1.0.0.8
AMD Epyc 9554p
All of the following
AMD Epyc 9554 Firmware<genoapi_1.0.0.8
AMD Epyc 9554
All of the following
AMD Epyc 9534 Firmware<genoapi_1.0.0.8
AMD Epyc 9534
All of the following
AMD Epyc 9474f Firmware<genoapi_1.0.0.8
AMD Epyc 9474f
All of the following
AMD Epyc 9454p Firmware<genoapi_1.0.0.8
AMD Epyc 9454p
All of the following
AMD Epyc 9454 Firmware<genoapi_1.0.0.8
AMD Epyc 9454
All of the following
AMD Epyc 9374f Firmware<genoapi_1.0.0.8
AMD Epyc 9374f
All of the following
AMD Epyc 9354p Firmware<genoapi_1.0.0.8
AMD Epyc 9354p
All of the following
AMD Epyc 9354 Firmware<genoapi_1.0.0.8
AMD Epyc 9354
All of the following
AMD Epyc 9334 Firmware<genoapi_1.0.0.8
AMD Epyc 9334
All of the following
AMD Epyc 9274f Firmware<genoapi_1.0.0.8
AMD Epyc 9274f
All of the following
AMD Epyc 9254 Firmware<genoapi_1.0.0.8
AMD Epyc 9254
All of the following
AMD Epyc 9224 Firmware<genoapi_1.0.0.8
AMD Epyc 9224
All of the following
AMD Epyc 9174f Firmware<genoapi_1.0.0.8
AMD Epyc 9174f
All of the following
AMD Epyc 9124 Firmware<genoapi_1.0.0.8
AMD Epyc 9124
All of the following
AMD Epyc 9684x Firmware<genoapi_1.0.0.8
AMD Epyc 9684x
All of the following
AMD Epyc 9384x Firmware<genoapi_1.0.0.8
AMD Epyc 9384x
All of the following
AMD Epyc 9184x Firmware<genoapi_1.0.0.8
AMD Epyc 9184x
All of the following
AMD Epyc 9754 Firmware<genoapi_1.0.0.8
AMD Epyc 9754
All of the following
AMD Epyc 9754s Firmware<genoapi_1.0.0.8
AMD Epyc 9754s
All of the following
AMD Epyc 9734 Firmware<genoapi_1.0.0.8
AMD Epyc 9734
All of the following
AMD Epyc 8534p Firmware<genoapi_1.0.0.8
AMD Epyc 8534p
All of the following
AMD Epyc 8534pn Firmware<genoapi_1.0.0.8
AMD Epyc 8534pn
All of the following
AMD Epyc 8434p Firmware<genoapi_1.0.0.8
AMD Epyc 8434p
All of the following
AMD Epyc 8434pn Firmware<genoapi_1.0.0.8
AMD Epyc 8434pn
All of the following
AMD Epyc 8324p Firmware<genoapi_1.0.0.8
AMD Epyc 8324p
All of the following
AMD Epyc 8324pn Firmware<genoapi_1.0.0.8
AMD Epyc 8324pn
All of the following
AMD Epyc 8224p Firmware<genoapi_1.0.0.8
AMD Epyc 8224p
All of the following
AMD Epyc 8224pn Firmware<genoapi_1.0.0.8
AMD Epyc 8224pn
All of the following
AMD Epyc 8124p Firmware<genoapi_1.0.0.8
AMD Epyc 8124p
All of the following
AMD Epyc 8124pn Firmware<genoapi_1.0.0.8
AMD Epyc 8124pn
All of the following
AMD Epyc 8024p Firmware<genoapi_1.0.0.8
AMD Epyc 8024p
All of the following
AMD Epyc 8024pn Firmware<genoapi_1.0.0.8
AMD Epyc 8024pn
All of the following
AMD Ryzen 9 3950x Firmware
AMD Ryzen 9 3950x
All of the following
AMD Ryzen 9 3950xt Firmware
AMD Ryzen 9 3950xt
All of the following
AMD Ryzen 9 3900 Firmware
AMD Ryzen 9 3900
All of the following
AMD Ryzen 9 3900x Firmware
AMD Ryzen 9 3900x
All of the following
AMD Ryzen 7 3800x Firmware
AMD Ryzen 7 3800x
All of the following
AMD Ryzen 7 3800xt Firmware
AMD Ryzen 7 3800xt
All of the following
AMD Ryzen 7 3700xt Firmware
AMD Ryzen 7 3700xt
All of the following
AMD Ryzen 5 3600x Firmware
AMD Ryzen 5 3600x
All of the following
AMD Ryzen 5 3600xt Firmware
AMD Ryzen 5 3600xt
All of the following
AMD Ryzen 5 3600 Firmware
AMD Ryzen 5 3600
All of the following
AMD Ryzen 5 3500x Firmware
AMD Ryzen 5 3500x
All of the following
AMD Ryzen 5 3500 Firmware
AMD Ryzen 5 3500
All of the following
AMD Ryzen 3 3300x Firmware
AMD Ryzen 3 3300x
All of the following
AMD Ryzen 3 3100 Firmware
AMD Ryzen 3 3100
All of the following
AMD Ryzen 9 5950x Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 9 5950x
All of the following
AMD Ryzen 9 5900x Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 9 5900x
All of the following
AMD Ryzen 9 5900 Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 9 5900
All of the following
AMD Ryzen 7 5800x3d Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 7 5800x3d
All of the following
AMD Ryzen 7 5800x Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 7 5800x
All of the following
AMD Ryzen 7 5800 Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 7 5800
All of the following
AMD Ryzen 7 5700x Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 7 5700x
All of the following
AMD Ryzen 5 5600 Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 5 5600
All of the following
AMD Ryzen 5 5600x Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 5 5600x
All of the following
AMD Ryzen 5 5500 Firmware<comboam4_v2_pi_1.2.0.6
AMD Ryzen 5 5500
All of the following
AMD Ryzen Threadripper 3960x Firmware<castlepeakpi-sp3r3_1.0.0.7
AMD Ryzen Threadripper 3960x
All of the following
AMD Ryzen Threadripper 3970x Firmware<castlepeakpi-sp3r3_1.0.0.7
AMD Ryzen Threadripper 3970x
All of the following
AMD Ryzen Threadripper 3990x Firmware<castlepeakpi-sp3r3_1.0.0.7
AMD Ryzen Threadripper 3990x
All of the following
AMD Ryzen Threadripper Pro 3945wx Firmware
AMD Ryzen Threadripper Pro 3945wx
All of the following
AMD Ryzen Threadripper Pro 3955wx Firmware
AMD Ryzen Threadripper Pro 3955wx
All of the following
AMD Ryzen Threadripper Pro 3975wx Firmware
AMD Ryzen Threadripper Pro 3975wx
All of the following
AMD Ryzen Threadripper Pro 3995wx Firmware
AMD Ryzen Threadripper Pro 3995wx
All of the following
AMD Ryzen Threadripper Pro 3795wx Firmware<chagallwspi-swrx8_1.0.0.0
AMD Ryzen Threadripper Pro 3795wx
Event History
Nov 14, 2023
CVE Published
via MITRE·06:52 PM
Data Sourced
via MITRE·06:52 PM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2021-46774?
The severity of CVE-2021-46774 is classified as high, as it may allow an attacker to read or write to invalid DRAM addresses.
2
How do I fix CVE-2021-46774?
To fix CVE-2021-46774, update the firmware to the latest version provided by AMD for affected EPYC processors.
3
Which systems are affected by CVE-2021-46774?
CVE-2021-46774 affects several AMD EPYC processor firmware versions, specifically those prior to specified updates.
4
What are the potential impacts of CVE-2021-46774?
The potential impacts of CVE-2021-46774 include denial-of-service conditions when invalid memory addresses are accessed.
5
Is there a workaround for CVE-2021-46774?
There are no known workarounds for CVE-2021-46774; applying the firmware update is the recommended approach.