Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM MMCommunicate service that could result in an out-of-bounds write within the UEFI-MM Secure Partition context.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 13 Jan 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Amperecomputing ampereone A128-34x
Amperecomputing ampereone A128-34x Firmware
Amperecomputing ampereone A144-24x
Amperecomputing ampereone A144-24x Firmware
Amperecomputing ampereone A144-26m
Amperecomputing ampereone A144-26m Firmware
Amperecomputing ampereone A144-27x
Amperecomputing ampereone A144-27x Firmware
Amperecomputing ampereone A144-33m
Amperecomputing ampereone A144-33m Firmware
Amperecomputing ampereone A160-28m
Amperecomputing ampereone A160-28m Firmware
Amperecomputing ampereone A160-28x
Amperecomputing ampereone A160-28x Firmware
Amperecomputing ampereone A192-26m
Amperecomputing ampereone A192-26m Firmware
Amperecomputing ampereone A192-26x
Amperecomputing ampereone A192-26x Firmware
Amperecomputing ampereone A192-32m
Amperecomputing ampereone A192-32m Firmware
Amperecomputing ampereone A192-32x
Amperecomputing ampereone A192-32x Firmware
Amperecomputing ampereone A96-36m
Amperecomputing ampereone A96-36m Firmware
Amperecomputing ampereone A96-36x
Amperecomputing ampereone A96-36x Firmware
CPEs cpe:2.3:h:amperecomputing:ampereone_a128-34x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a144-24x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a144-26m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a144-27x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a144-33m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a160-28m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a160-28x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a192-26m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a192-26x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a192-32m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a192-32x:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a96-36m:-:*:*:*:*:*:*:*
cpe:2.3:h:amperecomputing:ampereone_a96-36x:-:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a128-34x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a144-24x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a144-26m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a144-27x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a144-33m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a160-28m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a160-28x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a192-26m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a192-26x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a192-32m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a192-32x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a96-36m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amperecomputing:ampereone_a96-36x_firmware:*:*:*:*:*:*:*:*
Vendors & Products Amperecomputing ampereone A128-34x
Amperecomputing ampereone A128-34x Firmware
Amperecomputing ampereone A144-24x
Amperecomputing ampereone A144-24x Firmware
Amperecomputing ampereone A144-26m
Amperecomputing ampereone A144-26m Firmware
Amperecomputing ampereone A144-27x
Amperecomputing ampereone A144-27x Firmware
Amperecomputing ampereone A144-33m
Amperecomputing ampereone A144-33m Firmware
Amperecomputing ampereone A160-28m
Amperecomputing ampereone A160-28m Firmware
Amperecomputing ampereone A160-28x
Amperecomputing ampereone A160-28x Firmware
Amperecomputing ampereone A192-26m
Amperecomputing ampereone A192-26m Firmware
Amperecomputing ampereone A192-26x
Amperecomputing ampereone A192-26x Firmware
Amperecomputing ampereone A192-32m
Amperecomputing ampereone A192-32m Firmware
Amperecomputing ampereone A192-32x
Amperecomputing ampereone A192-32x Firmware
Amperecomputing ampereone A96-36m
Amperecomputing ampereone A96-36m Firmware
Amperecomputing ampereone A96-36x
Amperecomputing ampereone A96-36x Firmware

Wed, 17 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 16 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Amperecomputing
Amperecomputing ampereone
Vendors & Products Amperecomputing
Amperecomputing ampereone

Tue, 16 Dec 2025 17:30:00 +0000

Type Values Removed Values Added
Description Ampere AmpereOne AC03 devices before 3.5.9.3, AmpereOne AC04 devices before 4.4.5.2, and AmpereOne M devices before 5.4.5.1 allow an incorrectly formed SMC call to UEFI-MM MMCommunicate service that could result in an out-of-bounds write within the UEFI-MM Secure Partition context.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-12-17T14:31:33.278Z

Reserved: 2025-10-24T00:00:00.000Z

Link: CVE-2025-62864

cve-icon Vulnrichment

Updated: 2025-12-17T14:31:25.420Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-16T18:16:13.607

Modified: 2026-01-13T20:58:05.087

Link: CVE-2025-62864

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-16T20:45:10Z

Weaknesses