Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-26382

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/07/2022
Last modified:
29/07/2022

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 4.40 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
4.40
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_7_5700g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_7_5700ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_5_5600g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_5_5600ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_3_5300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:* comboam4_v2_pi_1.2.0.6c (excluding)
cpe:2.3:h:amd:ryzen_3_5300ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_5980hx_firmware:*:*:*:*:*:*:*:* cezannepi-fp6_1.0.0.9 (excluding)
cpe:2.3:h:amd:ryzen_9_5980hx:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:* cezannepi-fp6_1.0.0.9 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools