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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-26384

Severity CVSS v4.0:
Pending analysis
Type:
CWE-125 Out-of-bounds Read
Publication date:
14/07/2022
Last modified:
08/08/2023

Description

A malformed SMI (System Management Interface) command may allow an attacker to establish a corrupted SMI Trigger Info data structure, potentially leading to out-of-bounds memory reads and writes when triggering an SMI resulting in a potential loss of resources.

Impact

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
7.80
Severity 3.x
HIGH

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