Medium severity4.4NVD Advisory· Published Jul 14, 2022· Updated Jun 17, 2026
CVE-2021-26382
CVE-2021-26382
Description
An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.
Affected products
38cpe:2.3:o:amd:ryzen_3_3200u_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_3_3200u_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_3_3300u_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_3_3250u_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_3_5125c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_3_5400u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_3_5425c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
cpe:2.3:o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:*range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_3700u_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_5_3500u_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_5_3550h_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
cpe:2.3:o:amd:ryzen_5_3580u_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:amd:ryzen_5_3580u_firmware:*:*:*:*:*:*:*:*range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_5_5625u_firmware:*:*:*:*:*:*:*:*range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_5_5560u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_5_5600h_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_5_5600hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_5_5600u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_5_5625c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_3750h_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_7_3780u_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:*Range: <comboam4_v2_pi_1.2.0.6c
- cpe:2.3:o:amd:ryzen_7_5800h_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_5800hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_5800u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_5825c_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_5825u_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_7_pro_3700u_firmware:*:*:*:*:*:*:*:*Range: <renoirpi-fp6_1.0.0.7
- cpe:2.3:o:amd:ryzen_9_5900hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_9_5900hx_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- cpe:2.3:o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:*Range: <cezannepi-fp6_1.0.0.9
- AMD/Athlon™ Seriesv5Range: various
- AMD/Ryzen™ Seriesv5Range: various
Patches
Vulnerability mechanics
References
1- www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027nvdVendor Advisory
News mentions
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