CVSS 3.1
4.4 mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HCVE-2021-26382
Medium (4.4) in amd. EPSS 0.2% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:ryzen_3_3200u_firmware
- amd:ryzen_3_3250u_firmware
- amd:ryzen_3_3300u_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5300g_firmware
- amd:ryzen_3_5300ge_firmware
- amd:ryzen_3_5400u_firmware
- amd:ryzen_3_5425c_firmware
- amd:ryzen_3_5425u_firmware
- amd:ryzen_5_3500u_firmware
- amd:ryzen_5_3550h_firmware
- amd:ryzen_5_3580u_firmware
- amd:ryzen_5_5560u_firmware
- amd:ryzen_5_5600g_firmware
- amd:ryzen_5_5600ge_firmware
- amd:ryzen_5_5600h_firmware
- amd:ryzen_5_5600hs_firmware
- amd:ryzen_5_5600u_firmware
- amd:ryzen_5_5625c_firmware
- amd:ryzen_5_5625u_firmware
- amd:ryzen_7_3700u_firmware
- amd:ryzen_7_3750h_firmware
- amd:ryzen_7_3780u_firmware
- amd:ryzen_7_5700g_firmware
- amd:ryzen_7_5700ge_firmware
- amd:ryzen_7_5800h_firmware
- amd:ryzen_7_5800hs_firmware
- amd:ryzen_7_5800u_firmware
- amd:ryzen_7_5825c_firmware
- amd:ryzen_7_5825u_firmware
- amd:ryzen_7_pro_3700u_firmware
- amd:ryzen_9_5900hs_firmware
- amd:ryzen_9_5900hx_firmware
- amd:ryzen_9_5980hs_firmware
- amd:ryzen_9_5980hx_firmware