medium
6.1
Advisory Published
Updated

CVE-2021-46758

First published: Tue Nov 14 2023(Updated: )

Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.

Credit: psirt@amd.com

Affected SoftwareAffected VersionHow to fix
All of
AMD Ryzen 7 5700G Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5700G Firmware
All of
AMD Ryzen 7 5700GE Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 7 5700GE Firmware
All of
AMD Ryzen 5 5600G Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600GT Firmware
All of
AMD Ryzen 5 5600GE Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 5 5600GE Firmware
All of
AMD Ryzen 3 5300G Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 3 5300G Firmware
All of
AMD Ryzen 3 5300GE Firmware<comboam4v2_pi_1.2.0.8
AMD Ryzen 3 5300GE Firmware
All of
AMD Ryzen 9 7950X3D Firmware<comboam5_1.0.0.1
AMD Ryzen 9 7950X3D
All of
AMD Ryzen 9 7900X3D firmware<comboam5_1.0.0.1
AMD Ryzen 9 7900X3D firmware
All of
AMD Ryzen 7 7800X3D Firmware<comboam5_1.0.0.1
AMD Ryzen 7 7800X3D
All of
AMD Ryzen 9 4900H Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 9 4900H Firmware
All of
amd ryzen 9 4900hs firmware<renoirpi-fp6_1.0.0.a
amd ryzen 9 4900hs
All of
AMD Ryzen 7 4800H Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 7 4800H
All of
amd ryzen 7 4800hs firmware<renoirpi-fp6_1.0.0.a
amd ryzen 7 4800hs
All of
amd ryzen 7 4980u firmware<renoirpi-fp6_1.0.0.a
amd ryzen 7 4980u
All of
AMD Ryzen 7 4800U Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 7 4800U Firmware
All of
AMD Ryzen 7 4700U Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 7 4700U
All of
AMD Ryzen 5 4600H Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 5 4600H Firmware
All of
amd ryzen 5 4600hs firmware<renoirpi-fp6_1.0.0.a
amd ryzen 5 4600hs
All of
amd ryzen 5 4680u firmware<renoirpi-fp6_1.0.0.a
amd ryzen 5 4680u
All of
AMD Ryzen 5 4600U Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 5 4600U Firmware
All of
AMD Ryzen 5 4500U Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 5 4500U
All of
AMD Ryzen 3 4300U Firmware<renoirpi-fp6_1.0.0.a
AMD Ryzen 3 4300U
All of
AMD Ryzen 7 5700U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 5700U Firmware
All of
AMD Ryzen 5 5500U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5500U
All of
AMD Ryzen 3 5300U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 3 5300U Firmware
All of
AMD Ryzen 9 5980HX<cezannepi-fp6_1.0.0.c
AMD Ryzen 9 5980HX Firmware
All of
AMD Ryzen 9 5980HS Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 9 5980HS Firmware
All of
AMD Ryzen 9 5900HX Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 9 5900HX
All of
AMD Ryzen 9 5900HS Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 9 5900HS Firmware
All of
AMD Ryzen 7 5800H Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 5800H Firmware
All of
AMD Ryzen 7 5800HS Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 5800HS Firmware
All of
AMD Ryzen 7 5825U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 5825U Firmware
All of
AMD Ryzen 7 5800U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 5800U Firmware
All of
AMD Ryzen 5 5600H Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5600H
All of
AMD Ryzen 5 5600HS Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5600HS
All of
AMD Ryzen 5 5625U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5625U Firmware
All of
AMD Ryzen 5 5600U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5600U
All of
AMD Ryzen 5 5560U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5560U Firmware
All of
amd ryzen 5 5500h firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 5500H
All of
AMD Ryzen 3 5425U<cezannepi-fp6_1.0.0.c
AMD Ryzen 3 5425U
All of
AMD Ryzen 3 5400U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 3 5400U
All of
AMD Ryzen 3 5125C Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 3 5125C
All of
AMD Ryzen 9 6980HX firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HX firmware
All of
AMD Ryzen 9 6980HS Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6980HS Firmware
All of
AMD Ryzen 9 6900HX Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HX Firmware
All of
AMD Ryzen 9 6900HS Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 9 6900HS Firmware
All of
AMD Ryzen 7 6800H Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800H Firmware
All of
AMD Ryzen 7 6800HS firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800HS firmware
All of
AMD Ryzen 7 6800U Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 6800U Firmware
All of
AMD Ryzen 5 6600H firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 6600H firmware
All of
AMD Ryzen 5 6600HS Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 6600HS Firmware
All of
AMD Ryzen 5 6600U Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 6600U Firmware
All of
AMD Ryzen 7 7735HS Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 7735HS Firmware
All of
AMD Ryzen 7 7736U Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 7736U
All of
AMD Ryzen 7 7735U Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 7 7735U Firmware
All of
AMD Ryzen 5 7535HS Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 7535HS Firmware
All of
AMD Ryzen 5 7535U firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 5 7535U firmware
All of
AMD Ryzen 3 7335U Firmware<rembrandtpi-fp7_1.0.0.5
AMD Ryzen 3 7335U Firmware
All of
AMD Ryzen 7 PRO 7730U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 7 PRO 7730U Firmware
All of
AMD Ryzen 5 Pro 7530U<cezannepi-fp6_1.0.0.c
AMD Ryzen 5 Pro 7530U
All of
AMD Ryzen 3 Pro 7330U Firmware<cezannepi-fp6_1.0.0.c
AMD Ryzen 3 Pro 7330U Firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-46758?

    CVE-2021-46758 has a severity rating that indicates a potential impact on the integrity and availability of system data.

  • How do I fix CVE-2021-46758?

    To fix CVE-2021-46758, firmware updates should be applied to the affected AMD Ryzen processors.

  • What systems are affected by CVE-2021-46758?

    CVE-2021-46758 affects specific AMD firmware versions for Ryzen 3, Ryzen 5, Ryzen 7, and Ryzen 9 series processors.

  • Can CVE-2021-46758 be exploited remotely?

    CVE-2021-46758 may allow attackers to read sensitive data, but exploiting it typically requires local access.

  • What are the potential consequences of CVE-2021-46758?

    Exploitation of CVE-2021-46758 can lead to unauthorized access to memory data, affecting system availability and data integrity.

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