Is CVE-2021-26382 in the CISA KEV catalog?

No. CVE-2021-26382 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26382?

CVE-2021-26382 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2021-26382?

CVE-2021-26382 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26382?

Upgrade ryzen 3 3200u firmware to renoirpi-fp6_1.0.0.7 or later. Fixes are available for 35 affected products.

CVE & CISA-KEV Catalog

CVE-2021-26382

MEDIUM

4.4

CVSS v3

NVD

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.

How to fix

Remediation Available

ryzen 3 3200u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 3 3250u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 3 3300u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 3 5125c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 3 5300g firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 3 5300ge firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 3 5400u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 3 5425c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 3 5425u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 3500u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 5 3550h firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 5 3580u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 5 5560u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 5600g firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 5 5600ge firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 5 5600h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 5600hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 5600u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 5625c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 5 5625u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 3700u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 7 3750h firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 7 3780u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 7 5700g firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 7 5700ge firmwareNVD

Affected:< comboam4_v2_pi_1.2.0.6cFixed in:comboam4_v2_pi_1.2.0.6cCVE-2021-26382derived from NVD

ryzen 7 5800h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 5800hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 5800u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 5825c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 5825u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 7 pro 3700u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.7Fixed in:renoirpi-fp6_1.0.0.7CVE-2021-26382derived from NVD

ryzen 9 5900hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 9 5900hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 9 5980hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

ryzen 9 5980hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.9Fixed in:cezannepi-fp6_1.0.0.9CVE-2021-26382derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1

amd.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.