Medium severity6.1NVD Advisory· Published Nov 14, 2023· Updated Jun 17, 2026

CVE-2021-46758

Description

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.

Affected products

AMD/Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”v5
Range: various
AMD/Ryzen™ 7000 Series Desktop Processors “Raphael” XD3v5
Range: various
AMD/Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6v5
Range: various
AMD/Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”v5
Range: various
AMD/Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”v5
Range: various
AMD/AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"v5
Range: various
AMD/AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”v5
Range: various
AMD/AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”v5
Range: various
AMD/AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”v5
Range: various
AMD/Secure Processorllm-fuzzy
AMD/Ryzen 7 5700g Firmware
cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 7 5700ge Firmware
cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 5 5600g Firmware
cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 5 5600ge Firmware
cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 3 5300g Firmware
cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 3 5300ge Firmware
cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:*
Range: <comboam4v2_pi_1.2.0.8
AMD/Ryzen 9 7950x3d Firmware
cpe:2.3:o:amd:ryzen_9_7950x3d_firmware:*:*:*:*:*:*:*:*
Range: <comboam5_1.0.0.1
AMD/Ryzen 9 7900x3d Firmware
cpe:2.3:o:amd:ryzen_9_7900x3d_firmware:*:*:*:*:*:*:*:*
Range: <comboam5_1.0.0.1
AMD/Ryzen 7 7800x3d Firmware
cpe:2.3:o:amd:ryzen_7_7800x3d_firmware:*:*:*:*:*:*:*:*
Range: <comboam5_1.0.0.1
AMD/Ryzen 9 4900h Firmware
cpe:2.3:o:amd:ryzen_9_4900h_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 9 4900hs Firmware
cpe:2.3:o:amd:ryzen_9_4900hs_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 7 4800h Firmware2 versions
cpe:2.3:o:amd:ryzen_7_4800h_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_7_4800h_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.a
- cpe:2.3:o:amd:ryzen_7_4700u_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 7 4800hs Firmware
cpe:2.3:o:amd:ryzen_7_4800hs_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 7 4980u Firmware
cpe:2.3:o:amd:ryzen_7_4980u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 7 4800u Firmware
cpe:2.3:o:amd:ryzen_7_4800u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 5 4600h Firmware
cpe:2.3:o:amd:ryzen_5_4600h_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 5 4600hs Firmware
cpe:2.3:o:amd:ryzen_5_4600hs_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 5 4680u Firmware
cpe:2.3:o:amd:ryzen_5_4680u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 5 4600u Firmware
cpe:2.3:o:amd:ryzen_5_4600u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 5 4500u Firmware
cpe:2.3:o:amd:ryzen_5_4500u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 3 4300u Firmware
cpe:2.3:o:amd:ryzen_3_4300u_firmware:*:*:*:*:*:*:*:*
Range: <renoirpi-fp6_1.0.0.a
AMD/Ryzen 7 5700u Firmware
cpe:2.3:o:amd:ryzen_7_5700u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5500u Firmware
cpe:2.3:o:amd:ryzen_5_5500u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 3 5300u Firmware
cpe:2.3:o:amd:ryzen_3_5300u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 9 5980hx Firmware
cpe:2.3:o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 9 5980hs Firmware
cpe:2.3:o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 9 5900hx Firmware
cpe:2.3:o:amd:ryzen_9_5900hx_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 9 5900hs Firmware
cpe:2.3:o:amd:ryzen_9_5900hs_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 7 5800h Firmware
cpe:2.3:o:amd:ryzen_7_5800h_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 7 5800hs Firmware
cpe:2.3:o:amd:ryzen_7_5800hs_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 7 5825u Firmware
cpe:2.3:o:amd:ryzen_7_5825u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 7 5800u Firmware
cpe:2.3:o:amd:ryzen_7_5800u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5600h Firmware
cpe:2.3:o:amd:ryzen_5_5600h_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5600hs Firmware
cpe:2.3:o:amd:ryzen_5_5600hs_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5625u Firmware
cpe:2.3:o:amd:ryzen_5_5625u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5600u Firmware
cpe:2.3:o:amd:ryzen_5_5600u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5560u Firmware
cpe:2.3:o:amd:ryzen_5_5560u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 5500h Firmware
cpe:2.3:o:amd:ryzen_5_5500h_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 3 5425u Firmware
cpe:2.3:o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 3 5400u Firmware
cpe:2.3:o:amd:ryzen_3_5400u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 3 5125c Firmware
cpe:2.3:o:amd:ryzen_3_5125c_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 9 6980hx Firmware
cpe:2.3:o:amd:ryzen_9_6980hx_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 9 6980hs Firmware
cpe:2.3:o:amd:ryzen_9_6980hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 9 6900hx Firmware
cpe:2.3:o:amd:ryzen_9_6900hx_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 9 6900hs Firmware
cpe:2.3:o:amd:ryzen_9_6900hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 6800h Firmware
cpe:2.3:o:amd:ryzen_7_6800h_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 6800hs Firmware
cpe:2.3:o:amd:ryzen_7_6800hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 6800u Firmware
cpe:2.3:o:amd:ryzen_7_6800u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 5 6600h Firmware
cpe:2.3:o:amd:ryzen_5_6600h_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 5 6600hs Firmware
cpe:2.3:o:amd:ryzen_5_6600hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 5 6600u Firmware
cpe:2.3:o:amd:ryzen_5_6600u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 7735hs Firmware
cpe:2.3:o:amd:ryzen_7_7735hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 7736u Firmware
cpe:2.3:o:amd:ryzen_7_7736u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 7735u Firmware
cpe:2.3:o:amd:ryzen_7_7735u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 5 7535hs Firmware
cpe:2.3:o:amd:ryzen_5_7535hs_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 5 7535u Firmware
cpe:2.3:o:amd:ryzen_5_7535u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 3 7335u Firmware
cpe:2.3:o:amd:ryzen_3_7335u_firmware:*:*:*:*:*:*:*:*
Range: <rembrandtpi-fp7_1.0.0.5
AMD/Ryzen 7 Pro 7730u Firmware
cpe:2.3:o:amd:ryzen_7_pro_7730u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 5 Pro 7530u Firmware
cpe:2.3:o:amd:ryzen_5_pro_7530u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c
AMD/Ryzen 3 Pro 7330u Firmware
cpe:2.3:o:amd:ryzen_3_pro_7330u_firmware:*:*:*:*:*:*:*:*
Range: <cezannepi-fp6_1.0.0.c

Patches

Vulnerability mechanics

References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002nvdVendor Advisory

News mentions

No linked articles in our index yet.

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