CVE-2021-26382
MEDIUM
4.4
CVSS Score
Published: July 14, 2022 at 07:28 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
72 products affected across 1 vendorRyzen 5 5600HS FirmwareRyzen 5 5600U FirmwareRyzen 5 5600H Firmware
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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.2%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < renoirpi-fp6_1.0.0.7
Affected range stops below renoirpi-fp6_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-3200u (same device)
v < renoirpi-fp6_1.0.0.7
Affected range stops below renoirpi-fp6_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-3250u (same device)
v < renoirpi-fp6_1.0.0.7
Affected range stops below renoirpi-fp6_1.0.0.7, so it looks safe — our inference, not a vendor statement
v < cezannepi-fp6_1.0.0.9
Affected range stops below cezannepi-fp6_1.0.0.9, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-5125c (same device)
v < comboam4_v2_pi_1.2.0.6c
Affected range stops below comboam4_v2_pi_1.2.0.6c, so it looks safe — our inference, not a vendor statement
v < comboam4_v2_pi_1.2.0.6c
Affected range stops below comboam4_v2_pi_1.2.0.6c, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-5300ge (same device)
v < cezannepi-fp6_1.0.0.9
Affected range stops below cezannepi-fp6_1.0.0.9, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-5400u (same device)
v < cezannepi-fp6_1.0.0.9
Affected range stops below cezannepi-fp6_1.0.0.9, so it looks safe — our inference, not a vendor statement
v < cezannepi-fp6_1.0.0.9
Affected range stops below cezannepi-fp6_1.0.0.9, so it looks safe — our inference, not a vendor statement
amd-ryzen-3-5425u (same device)
v < renoirpi-fp6_1.0.0.7
Affected range stops below renoirpi-fp6_1.0.0.7, so it looks safe — our inference, not a vendor statement
amd-ryzen-5-3500u (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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