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CVE-2021-26355 Details

Description

Insufficient fencing and checks in System Management Unit (SMU) may result in access to invalid message port registers that could result in a potential denial-of-service.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: CISA-ADPCVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032	CVE	Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-693	Protection Mechanism Failure	CISA-ADP

Affected Products

Product	Versions
amd epyc 7003 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7003_firmware:::::::: Remediation No remediation found in references.
amd epyc 7003	All versions
CPE cpe:2.3:h:amd:epyc_7003:-:::::::* Remediation No remediation found in references.
amd epyc 72f3 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_72f3_firmware:::::::: Remediation No remediation found in references.
amd epyc 72f3	All versions
CPE cpe:2.3:h:amd:epyc_72f3:-:::::::* Remediation No remediation found in references.
amd epyc 7313 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7313_firmware:::::::: Remediation No remediation found in references.
amd epyc 7313	All versions
CPE cpe:2.3:h:amd:epyc_7313:-:::::::* Remediation No remediation found in references.
amd epyc 7313p firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7313p_firmware:::::::: Remediation No remediation found in references.
amd epyc 7313p	All versions
CPE cpe:2.3:h:amd:epyc_7313p:-:::::::* Remediation No remediation found in references.
amd epyc 7343 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7343_firmware:::::::: Remediation No remediation found in references.
amd epyc 7343	All versions
CPE cpe:2.3:h:amd:epyc_7343:-:::::::* Remediation No remediation found in references.
amd epyc 7373x firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7373x_firmware:::::::: Remediation No remediation found in references.
amd epyc 7373x	All versions
CPE cpe:2.3:h:amd:epyc_7373x:-:::::::* Remediation No remediation found in references.
amd epyc 73f3 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_73f3_firmware:::::::: Remediation No remediation found in references.
amd epyc 73f3	All versions
CPE cpe:2.3:h:amd:epyc_73f3:-:::::::* Remediation No remediation found in references.
amd epyc 7413 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7413_firmware:::::::: Remediation No remediation found in references.
amd epyc 7413	All versions
CPE cpe:2.3:h:amd:epyc_7413:-:::::::* Remediation No remediation found in references.
amd epyc 7443 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7443_firmware:::::::: Remediation No remediation found in references.
amd epyc 7443	All versions
CPE cpe:2.3:h:amd:epyc_7443:-:::::::* Remediation No remediation found in references.
amd epyc 7443p firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7443p_firmware:::::::: Remediation No remediation found in references.
amd epyc 7443p	All versions
CPE cpe:2.3:h:amd:epyc_7443p:-:::::::* Remediation No remediation found in references.
amd epyc 7453 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7453_firmware:::::::: Remediation No remediation found in references.
amd epyc 7453	All versions
CPE cpe:2.3:h:amd:epyc_7453:-:::::::* Remediation No remediation found in references.
amd epyc 74f3 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_74f3_firmware:::::::: Remediation No remediation found in references.
amd epyc 74f3	All versions
CPE cpe:2.3:h:amd:epyc_74f3:-:::::::* Remediation No remediation found in references.
amd epyc 7513 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7513_firmware:::::::: Remediation No remediation found in references.
amd epyc 7513	All versions
CPE cpe:2.3:h:amd:epyc_7513:-:::::::* Remediation No remediation found in references.
amd epyc 7543 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7543_firmware:::::::: Remediation No remediation found in references.
amd epyc 7543	All versions
CPE cpe:2.3:h:amd:epyc_7543:-:::::::* Remediation No remediation found in references.
amd epyc 7543p firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7543p_firmware:::::::: Remediation No remediation found in references.
amd epyc 7543p	All versions
CPE cpe:2.3:h:amd:epyc_7543p:-:::::::* Remediation No remediation found in references.
amd epyc 7573x firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7573x_firmware:::::::: Remediation No remediation found in references.
amd epyc 7573x	All versions
CPE cpe:2.3:h:amd:epyc_7573x:-:::::::* Remediation No remediation found in references.
amd epyc 75f3 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_75f3_firmware:::::::: Remediation No remediation found in references.
amd epyc 75f3	All versions
CPE cpe:2.3:h:amd:epyc_75f3:-:::::::* Remediation No remediation found in references.
amd epyc 7643 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7643_firmware:::::::: Remediation No remediation found in references.
amd epyc 7643	All versions
CPE cpe:2.3:h:amd:epyc_7643:-:::::::* Remediation No remediation found in references.
amd epyc 7663 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7663_firmware:::::::: Remediation No remediation found in references.
amd epyc 7663	All versions
CPE cpe:2.3:h:amd:epyc_7663:-:::::::* Remediation No remediation found in references.
amd epyc 7713 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7713_firmware:::::::: Remediation No remediation found in references.
amd epyc 7713	All versions
CPE cpe:2.3:h:amd:epyc_7713:-:::::::* Remediation No remediation found in references.
amd epyc 7713p firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7713p_firmware:::::::: Remediation No remediation found in references.
amd epyc 7713p	All versions
CPE cpe:2.3:h:amd:epyc_7713p:-:::::::* Remediation No remediation found in references.
amd epyc 7743 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7743_firmware:::::::: Remediation No remediation found in references.
amd epyc 7743	All versions
CPE cpe:2.3:h:amd:epyc_7743:-:::::::* Remediation No remediation found in references.
amd epyc 7763 firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7763_firmware:::::::: Remediation No remediation found in references.
amd epyc 7763	All versions
CPE cpe:2.3:h:amd:epyc_7763:-:::::::* Remediation No remediation found in references.
amd epyc 7773x firmware	< milanpi-sp3_1.0.0.7
CPE cpe:2.3:o:amd:epyc_7773x_firmware:::::::: Remediation No remediation found in references.
amd epyc 7773x	All versions
CPE cpe:2.3:h:amd:epyc_7773x:-:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 9, 2025	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Aug 8, 2023	CWE Remap	[email protected]
Jan 18, 2023	Initial Analysis	[email protected]

CVE-2021-26355 Details

Description

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References to Advisories, Solutions, and Tools

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