high
8.2
CWE
787
Advisory Published
Updated

CVE-2021-26344

First published: Tue Aug 13 2024(Updated: )

An out of bounds memory write when processing the AMD PSP1 Configuration Block (APCB) could allow an attacker with access the ability to modify the BIOS image, and the ability to sign the resulting image, to potentially modify the APCB block resulting in arbitrary code execution.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
All of
Amd Epyc 7203 Firmware<milanpi_1.0.0.5
Amd Epyc 7203
All of
Amd Epyc 7203p Firmware<milanpi_1.0.0.5
Amd Epyc 7203p
All of
Amd Epyc 72f3 Firmware<milanpi_1.0.0.5
Amd Epyc 72f3
All of
Amd Epyc 7303 Firmware<milanpi_1.0.0.5
Amd Epyc 7303
All of
Amd Epyc 7303p Firmware<milanpi_1.0.0.5
Amd Epyc 7303p
All of
Amd Epyc 7313 Firmware<milanpi_1.0.0.5
Amd Epyc 7313
All of
Amd Epyc 7313p Firmware<milanpi_1.0.0.5
Amd Epyc 7313p
All of
Amd Epyc 7343 Firmware<milanpi_1.0.0.5
Amd Epyc 7343
All of
Amd Epyc 73f3 Firmware<milanpi_1.0.0.5
Amd Epyc 73f3
All of
Amd Epyc 7373x Firmware<milanpi_1.0.0.5
Amd Epyc 7373x
All of
Amd Epyc 7413 Firmware<milanpi_1.0.0.5
Amd Epyc 7413
All of
Amd Epyc 7443 Firmware<milanpi_1.0.0.5
Amd Epyc 7443
All of
Amd Epyc 7443p Firmware<milanpi_1.0.0.5
Amd Epyc 7443p
All of
Amd Epyc 74f3 Firmware<milanpi_1.0.0.5
Amd Epyc 74f3
All of
Amd Epyc 7453 Firmware<milanpi_1.0.0.5
Amd Epyc 7453
All of
Amd Epyc 7473x Firmware<milanpi_1.0.0.5
Amd Epyc 7473x
All of
Amd Epyc 7513 Firmware<milanpi_1.0.0.5
Amd Epyc 7513
All of
Amd Epyc 7543 Firmware<milanpi_1.0.0.5
Amd Epyc 7543
All of
Amd Epyc 7543p Firmware<milanpi_1.0.0.5
Amd Epyc 7543p
All of
Amd Epyc 75f3 Firmware<milanpi_1.0.0.5
Amd Epyc 75f3
All of
Amd Epyc 7573x Firmware<milanpi_1.0.0.5
Amd Epyc 7573x
All of
Amd Epyc 7643 Firmware<milanpi_1.0.0.5
Amd Epyc 7643
All of
Amd Epyc 7773x Firmware<milanpi_1.0.0.5
Amd Epyc 7773x
All of
Amd Epyc 7643p Firmware<milanpi_1.0.0.5
Amd Epyc 7643p
All of
Amd Epyc 7663 Firmware<milanpi_1.0.0.5
Amd Epyc 7663
All of
Amd Epyc 7663p Firmware<milanpi_1.0.0.5
Amd Epyc 7663p
All of
Amd Epyc 7713 Firmware<milanpi_1.0.0.5
Amd Epyc 7713
All of
Amd Epyc 7713p Firmware<milanpi_1.0.0.5
Amd Epyc 7713p
All of
Amd Epyc 7763 Firmware<milanpi_1.0.0.5
Amd Epyc 7763
All of
Amd Epyc 7h12 Firmware<romepi_1.0.0.c
Amd Epyc 7h12
All of
Amd Epyc 7f72 Firmware<romepi_1.0.0.c
Amd Epyc 7f72
All of
Amd Epyc 7f52 Firmware<romepi_1.0.0.c
Amd Epyc 7f52
All of
Amd Epyc 7f32 Firmware<romepi_1.0.0.c
Amd Epyc 7f32
All of
Amd Epyc 7742 Firmware<romepi_1.0.0.c
Amd Epyc 7742
All of
Amd Epyc 7702p Firmware<romepi_1.0.0.c
Amd Epyc 7702p
All of
Amd Epyc 7702 Firmware<romepi_1.0.0.c
Amd Epyc 7702
All of
Amd Epyc 7662 Firmware<romepi_1.0.0.c
Amd Epyc 7662
All of
Amd Epyc 7642 Firmware<romepi_1.0.0.c
Amd Epyc 7642
All of
Amd Epyc 7552 Firmware<romepi_1.0.0.c
Amd Epyc 7552
All of
Amd Epyc 7542 Firmware<romepi_1.0.0.c
Amd Epyc 7542
All of
Amd Epyc 7532 Firmware<romepi_1.0.0.c
Amd Epyc 7532
All of
Amd Epyc 7502p Firmware<romepi_1.0.0.c
Amd Epyc 7502p
All of
Amd Epyc 7502 Firmware<romepi_1.0.0.c
Amd Epyc 7502
All of
Amd Epyc 7452 Firmware<romepi_1.0.0.c
Amd Epyc 7452
All of
Amd Epyc 7402p Firmware<romepi_1.0.0.c
Amd Epyc 7402p
All of
Amd Epyc 7402 Firmware<romepi_1.0.0.c
Amd Epyc 7402
All of
Amd Epyc 7352 Firmware<romepi_1.0.0.c
Amd Epyc 7352
All of
Amd Epyc 7302p Firmware<romepi_1.0.0.c
Amd Epyc 7302p
All of
Amd Epyc 7302 Firmware<romepi_1.0.0.c
Amd Epyc 7302
All of
Amd Epyc 7282 Firmware<romepi_1.0.0.c
Amd Epyc 7282
All of
Amd Epyc 7272 Firmware<romepi_1.0.0.c
Amd Epyc 7272
All of
Amd Epyc 7262 Firmware<romepi_1.0.0.c
Amd Epyc 7262
All of
Amd Epyc 7252 Firmware<romepi_1.0.0.c
Amd Epyc 7252
All of
Amd Epyc 7232p Firmware<romepi_1.0.0.c
Amd Epyc 7232p
All of
Amd Epyc 7601 Firmware
Amd Epyc 7601
All of
Amd Epyc 7551p Firmware
Amd Epyc 7551p
All of
Amd Epyc 7551 Firmware
Amd Epyc 7551
All of
Amd Epyc 7501 Firmware
Amd Epyc 7501
All of
Amd Epyc 7451 Firmware
Amd Epyc 7451
All of
Amd Epyc 7401p Firmware
Amd Epyc 7401p
All of
Amd Epyc 7401 Firmware
Amd Epyc 7401
All of
Amd Epyc 7371 Firmware
Amd Epyc 7371
All of
Amd Epyc 7351p Firmware
Amd Epyc 7351p
All of
Amd Epyc 7351 Firmware
Amd Epyc 7351
All of
Amd Epyc 7301 Firmware
Amd Epyc 7301
All of
Amd Epyc 7281 Firmware
Amd Epyc 7281
All of
Amd Epyc 7261 Firmware
Amd Epyc 7261
All of
Amd Epyc 7251 Firmware
Amd Epyc 7251
All of
Amd Epyc 7001 Firmware
Amd Epyc 7001

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