CVE-2021-46765

Published: May 9, 2023Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Insufficient input validation in ASP may allow an attacker with a compromised SMM to induce out-of-bounds memory reads within the ASP, potentially leading to a denial of service.

Affected (78)

Products: Amd: Ryzen 6600h Firmware, Ryzen 6600hs Firmware, Ryzen 6600u Firmware, Ryzen 6800h Firmware, Ryzen 6800hs Firmware, Ryzen 6800u Firmware, Ryzen 6900hs Firmware, Ryzen 6900hx Firmware, Ryzen 6980hs Firmware, Ryzen 6980hx Firmware, Ryzen 5300g Firmware, Ryzen 5300ge Firmware, Ryzen 5500 Firmware, Ryzen 5600 Firmware, Ryzen 5600g Firmware, Ryzen 5600ge Firmware, Ryzen 5600x Firmware, Ryzen 5700g Firmware, Ryzen 5700ge Firmware, Ryzen 5700x Firmware, Ryzen 5800 Firmware, Ryzen 5800x3d Firmware, Ryzen 5800x Firmware, Ryzen 5900 Firmware, Ryzen 5900x Firmware, Ryzen 5945wx Firmware, Ryzen 5950x Firmware, Ryzen 5955wx Firmware, Ryzen 5965wx Firmware, Ryzen 5975wx Firmware, Ryzen 5995wx Firmware, Ryzen 3100 Firmware, Ryzen 3300x Firmware, Ryzen 3500 Firmware, Ryzen 3500x Firmware, Ryzen 3600 Firmware, Ryzen 3600x Firmware, Ryzen 3600xt Firmware, Ryzen 3800x Firmware, Ryzen 3800xt Firmware, Ryzen 3900 Firmware, Ryzen 3900x Firmware, Ryzen 3900xt Firmware, Ryzen 3950x Firmware

Amd

44 products

Ryzen 6600h Firmware

Ryzen 6600hs Firmware

Ryzen 6600u Firmware

Ryzen 6800h Firmware

Ryzen 6800hs Firmware

Ryzen 6800u Firmware

Ryzen 6900hs Firmware

Ryzen 6900hx Firmware

Ryzen 6980hs Firmware

Ryzen 6980hx Firmware

Ryzen 5300g Firmware

Ryzen 5300ge Firmware

Ryzen 5500 Firmware

Ryzen 5600 Firmware

Ryzen 5600g Firmware

Ryzen 5600ge Firmware

Ryzen 5600x Firmware

Ryzen 5700g Firmware

Ryzen 5700ge Firmware

Ryzen 5700x Firmware

Ryzen 5800 Firmware

Ryzen 5800x3d Firmware

Ryzen 5800x Firmware

Ryzen 5900 Firmware

Ryzen 5900x Firmware

Ryzen 5945wx Firmware

Ryzen 5950x Firmware

Ryzen 5955wx Firmware

Ryzen 5965wx Firmware

Ryzen 5975wx Firmware

Ryzen 5995wx Firmware

Ryzen 3600xt Firmware

Ryzen 3800x Firmware

Ryzen 3800xt Firmware

Ryzen 3900 Firmware

Ryzen 3900x Firmware

Ryzen 3900xt Firmware

Ryzen 3950x Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6600h Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6600h	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6600hs Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6600hs	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6600u Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6600u	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6800h Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6800h	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6800hs Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6800hs	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6800u Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6800u	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6900hs Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6900hs	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6900hx Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6900hx	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6980hs Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6980hs	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 6980hx Firmware	Version rembrandtpi-fp7_1.0.0.5

Running on/with	Platform Versions
Amd Ryzen 6980hx	All versions

Configuration K

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5300g Firmware	Version cezannepi-fp6_1.0.0.b

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5300g Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5300g	All versions

Configuration M

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5300ge Firmware	Version cezannepi-fp6_1.0.0.b

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5300ge Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5300ge	All versions

Configuration O

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5500 Firmware	Version cezannepi-fp6_1.0.0.b

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5500 Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5500	All versions

Configuration Q

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5600 Firmware	Version cezannepi-fp6_1.0.0.b

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5600 Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5600	All versions

Configuration S

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5600g Firmware	Version cezannepi-fp6_1.0.0.b

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5600g Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5600g	All versions

Configuration U

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5600ge Firmware	Version cezannepi-fp6_1.0.0.b

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5600ge Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5600ge	All versions

Configuration W

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5600x Firmware	Version cezannepi-fp6_1.0.0.b

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5600x Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5600x	All versions

Configuration Y

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5700g Firmware	Version cezannepi-fp6_1.0.0.b

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5700g Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5700g	All versions

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5700ge Firmware	Version cezannepi-fp6_1.0.0.b

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5700ge Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5700ge	All versions

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5700x Firmware	Version cezannepi-fp6_1.0.0.b

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5700x Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5700x	All versions

Configuration E

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5800 Firmware	Version cezannepi-fp6_1.0.0.b

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5800 Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5800	All versions

Configuration G

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5800x3d Firmware	Version cezannepi-fp6_1.0.0.b

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5800x3d Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5800x3d	All versions

Configuration I

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5800x Firmware	Version cezannepi-fp6_1.0.0.b

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5800x Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5800x	All versions

Configuration K

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5900 Firmware	Version cezannepi-fp6_1.0.0.b

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5900 Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5900	All versions

Configuration M

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5900x Firmware	Version cezannepi-fp6_1.0.0.b

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5900x Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5900x	All versions

Configuration O

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5945wx Firmware	Version cezannepi-fp6_1.0.0.b

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5945wx Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5945wx	All versions

Configuration Q

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5950x Firmware	Version cezannepi-fp6_1.0.0.b

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5950x Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5950x	All versions

Configuration S

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5955wx Firmware	Version cezannepi-fp6_1.0.0.b

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5955wx Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5955wx	All versions

Configuration U

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5965wx Firmware	Version cezannepi-fp6_1.0.0.b

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5965wx Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5965wx	All versions

Configuration W

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5975wx Firmware	Version cezannepi-fp6_1.0.0.b

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5975wx Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5975wx	All versions

Configuration Y

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 5995wx Firmware	Version cezannepi-fp6_1.0.0.b

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 5995wx Firmware	Version comboam4v2_pi_1.2.0.8

Running on/with	Platform Versions
Amd Ryzen 5995wx	All versions

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3100 Firmware	Version comboam4v2_pi_1.2.0.8

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3100 Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3100	All versions

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3300x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3300x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3300x	All versions

Configuration E

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3500 Firmware	Version comboam4v2_pi_1.2.0.8

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3500 Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3500	All versions

Configuration G

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3500x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3500x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3500x	All versions

Configuration I

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3600 Firmware	Version comboam4v2_pi_1.2.0.8

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3600 Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3600	All versions

Configuration K

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3600x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3600x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3600x	All versions

Configuration M

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3600xt Firmware	Version comboam4v2_pi_1.2.0.8

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3600xt Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3600xt	All versions

Configuration O

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3800x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration P

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3800x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3800x	All versions

Configuration Q

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3800xt Firmware	Version comboam4v2_pi_1.2.0.8

Configuration R

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3800xt Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3800xt	All versions

Configuration S

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3900 Firmware	Version comboam4v2_pi_1.2.0.8

Configuration T

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3900 Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3900	All versions

Configuration U

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3900x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration V

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3900x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3900x	All versions

Configuration W

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3900xt Firmware	Version comboam4v2_pi_1.2.0.8

Configuration X

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3900xt Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3900xt	All versions

Configuration Y

1 vulnerable

Vulnerable Software	Affected Versions
Amd Ryzen 3950x Firmware	Version comboam4v2_pi_1.2.0.8

Configuration Z

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Amd Ryzen 3950x Firmware	Version renoirpi-fp6_1.0.0.9

Running on/with	Platform Versions
Amd Ryzen 3950x	All versions

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (2)

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Source: psirt@amd.com

Vendor Advisory

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.