CVE-2021-26402

Insufficient bounds checking in ASP (AMD Secure Processor) firmware while handling BIOS mailbox commands, may allow an attacker to write partially-controlled data out-of-bounds to SMM or SEV-ES regions which may lead to a potential loss of integrity and availability.
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:amd:epyc_7642_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:amd:epyc_7552_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:amd:epyc_7542_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:amd:epyc_7532_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:amd:epyc_7502p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:*

Configuration 14 (hide)

AND
cpe:2.3:o:amd:epyc_7502_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:amd:epyc_7452_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:amd:epyc_7402_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:amd:epyc_7402p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:*

Configuration 18 (hide)

AND
cpe:2.3:o:amd:epyc_7352_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:*

Configuration 19 (hide)

AND
cpe:2.3:o:amd:epyc_7302p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:*

Configuration 20 (hide)

AND
cpe:2.3:o:amd:epyc_7302_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:*

Configuration 21 (hide)

AND
cpe:2.3:o:amd:epyc_7282_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:*

Configuration 22 (hide)

AND
cpe:2.3:o:amd:epyc_7272_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:*

Configuration 23 (hide)

AND
cpe:2.3:o:amd:epyc_7262_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:*

Configuration 24 (hide)

AND
cpe:2.3:o:amd:epyc_7252_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:*

Configuration 25 (hide)

AND
cpe:2.3:o:amd:epyc_7232p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:*

Configuration 26 (hide)

AND
cpe:2.3:o:amd:epyc_7002_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7002:-:*:*:*:*:*:*:*

Configuration 27 (hide)

AND
cpe:2.3:o:amd:epyc_7003_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:*

Configuration 28 (hide)

AND
cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*

Configuration 29 (hide)

AND
cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*

Configuration 30 (hide)

AND
cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*

Configuration 31 (hide)

AND
cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*

Configuration 32 (hide)

AND
cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:*

Configuration 33 (hide)

AND
cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*

Configuration 34 (hide)

AND
cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*

Configuration 35 (hide)

AND
cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*

Configuration 36 (hide)

AND
cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*

Configuration 37 (hide)

AND
cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*

Configuration 38 (hide)

AND
cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*

Configuration 39 (hide)

AND
cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*

Configuration 40 (hide)

AND
cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*

Configuration 41 (hide)

AND
cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*

Configuration 42 (hide)

AND
cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:*

Configuration 43 (hide)

AND
cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*

Configuration 44 (hide)

AND
cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*

Configuration 45 (hide)

AND
cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*

Configuration 46 (hide)

AND
cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*

Configuration 47 (hide)

AND
cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*

Configuration 48 (hide)

AND
cpe:2.3:o:amd:epyc_7743_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7743:-:*:*:*:*:*:*:*

Configuration 49 (hide)

AND
cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*

Configuration 50 (hide)

AND
cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:*

History

21 Nov 2024, 05:56

Type Values Removed Values Added
Summary
  • (es) La comprobación de los límites insuficientes en el firmware ASP (AMD Secure Processor) mientras se manejan los comandos del buzón del BIOS puede permitir que un atacante escriba datos parcialmente controlados fuera de los límites de las regiones SMM o SEV-ES, lo que puede provocar una posible pérdida de integridad y disponibilidad.
References () https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 - Vendor Advisory () https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 - Vendor Advisory

Information

Published : 2023-01-11 08:15

Updated : 2025-04-08 21:15


NVD link : CVE-2021-26402

Mitre link : CVE-2021-26402

CVE.ORG link : CVE-2021-26402


JSON object : View

Products Affected

amd

  • epyc_7352_firmware
  • epyc_7443p_firmware
  • epyc_7003_firmware
  • epyc_7642_firmware
  • epyc_7443_firmware
  • epyc_7713_firmware
  • epyc_7302p
  • epyc_7773x_firmware
  • epyc_7313_firmware
  • epyc_7272
  • epyc_7532
  • epyc_7373x_firmware
  • epyc_7642
  • epyc_7702p_firmware
  • epyc_7702
  • epyc_7252_firmware
  • epyc_7402
  • epyc_7543
  • epyc_75f3_firmware
  • epyc_7573x
  • epyc_7232p_firmware
  • epyc_7f52
  • epyc_7f72_firmware
  • epyc_7452
  • epyc_7f32
  • epyc_7713p
  • epyc_7373x
  • epyc_7282_firmware
  • epyc_7663
  • epyc_7f72
  • epyc_7742
  • epyc_7302
  • epyc_7552_firmware
  • epyc_7002
  • epyc_7502p
  • epyc_7453_firmware
  • epyc_7543_firmware
  • epyc_7713p_firmware
  • epyc_7443p
  • epyc_74f3_firmware
  • epyc_7513
  • epyc_7763
  • epyc_7643_firmware
  • epyc_7h12
  • epyc_7543p
  • epyc_7262
  • epyc_7502_firmware
  • epyc_7313
  • epyc_7302p_firmware
  • epyc_7282
  • epyc_7272_firmware
  • epyc_7313p_firmware
  • epyc_7773x
  • epyc_7543p_firmware
  • epyc_7002_firmware
  • epyc_7502
  • epyc_7643
  • epyc_7763_firmware
  • epyc_7402_firmware
  • epyc_7662_firmware
  • epyc_7003
  • epyc_7552
  • epyc_7f32_firmware
  • epyc_7702_firmware
  • epyc_7743
  • epyc_7573x_firmware
  • epyc_7702p
  • epyc_7402p_firmware
  • epyc_7443
  • epyc_7302_firmware
  • epyc_7232p
  • epyc_7352
  • epyc_7f52_firmware
  • epyc_7542_firmware
  • epyc_7413
  • epyc_7502p_firmware
  • epyc_7343
  • epyc_7413_firmware
  • epyc_72f3_firmware
  • epyc_7313p
  • epyc_7743_firmware
  • epyc_7343_firmware
  • epyc_7532_firmware
  • epyc_7663_firmware
  • epyc_75f3
  • epyc_7453
  • epyc_7452_firmware
  • epyc_7542
  • epyc_7h12_firmware
  • epyc_7402p
  • epyc_7662
  • epyc_7513_firmware
  • epyc_7742_firmware
  • epyc_7252
  • epyc_7262_firmware
  • epyc_72f3
  • epyc_74f3
  • epyc_73f3
  • epyc_7713
  • epyc_73f3_firmware
CWE
CWE-787

Out-of-bounds Write