Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-26362

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/05/2022
Last modified:
08/06/2022

Description

A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call which results in mapping sensitive System Management Network (SMN) registers leading to a loss of integrity and availability.

Impact

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

Base Score: 7.10 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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): None
Integrity (I): High
Availability (A): High

Base Score 3.x
7.10
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
6.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:amd:radeon_software:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_2200u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_2300u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_2300u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5125c:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5400u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_3050ge_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:athlon_3050ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_3150ge_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:athlon_3150ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:athlon_3150g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:athlon_3150g:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools