What is CVE-2021-26382?

CVE-2021-26382 is a medium-severity vulnerability in Amd Athlon™ Series. CVSS score: 4.4/10. Published 2022-07-14.

How severe is CVE-2021-26382?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Vulnerability in Amd Athlon™ Series

CVE-2021-26382

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.

EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Amd Athlon™ Series — versions various
Amd Ryzen_3_3200u
Amd Ryzen_3_3200u_firmware
Amd Ryzen_3_3250u
Amd Ryzen_3_3250u_firmware
Amd Ryzen_3_3300u
Amd Ryzen_3_3300u_firmware
Amd Ryzen_3_5125c
Amd Ryzen_3_5125c_firmware
Amd Ryzen_3_5300g

References

psirt@amd.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-26382?: CVE-2021-26382 is a medium-severity vulnerability in Amd Athlon™ Series. CVSS score: 4.4/10. Published 2022-07-14.
How severe is CVE-2021-26382?: Medium severity. CVSS v3 base score is 4.4 out of 10.