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 Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process running in Non-Secure state or (2) an out-of-bounds write which corrupts Secure or Non-Secure memory, limited to memory mapped to UEFI-MM Secure Partition by the Secure Partition Manager.
History

Wed, 17 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
CWE-787
Metrics cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 17 Dec 2025 14:30:00 +0000

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

Tue, 16 Dec 2025 17:15:00 +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 Boot Error Record Table driver that could result in (1) an out-of-bounds read which leaks Secure-EL0 information to a process running in Non-Secure state or (2) an out-of-bounds write which corrupts Secure or Non-Secure memory, limited to memory mapped to UEFI-MM Secure Partition by the Secure Partition Manager.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-12-16T00:00:00.000Z

Updated: 2025-12-17T18:51:40.780Z

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

Link: CVE-2025-62862

cve-icon Vulnrichment

Updated: 2025-12-17T15:40:23.937Z

cve-icon NVD

Status : Received

Published: 2025-12-16T17:16:10.320

Modified: 2025-12-17T19:16:09.783

Link: CVE-2025-62862

cve-icon Redhat

No data.