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MEDIUM · 4.6

CVE-2025-62862

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 driv...

Vulnerability 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.

CVSS Score

4.6

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
AmperecomputingAmpereone A192-32M Firmware< 5.4.5.1
AmperecomputingAmpereone A192-32M-
AmperecomputingAmpereone A192-26M Firmware< 5.4.5.1
AmperecomputingAmpereone A192-26M-
AmperecomputingAmpereone A160-28M Firmware< 5.4.5.1
AmperecomputingAmpereone A160-28M-
AmperecomputingAmpereone A144-33M Firmware< 5.4.5.1
AmperecomputingAmpereone A144-33M-
AmperecomputingAmpereone A144-26M Firmware< 5.4.5.1
AmperecomputingAmpereone A144-26M-
AmperecomputingAmpereone A96-36M Firmware< 5.4.5.1
AmperecomputingAmpereone A96-36M-
AmperecomputingAmpereone A96-36X Firmware< 4.4.5.2
AmperecomputingAmpereone A96-36X-
AmperecomputingAmpereone A128-34X Firmware< 4.4.5.2
AmperecomputingAmpereone A128-34X-
AmperecomputingAmpereone A144-24X Firmware< 4.4.5.2
AmperecomputingAmpereone A144-24X-
AmperecomputingAmpereone A144-27X Firmware< 4.4.5.2
AmperecomputingAmpereone A144-27X-

Related Weaknesses (CWE)

CWE-787CWE-125

References

FAQ

What is CVE-2025-62862?

CVE-2025-62862 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 driv...

How severe is CVE-2025-62862?

CVE-2025-62862 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-62862?

Check the references section above for vendor advisories and patch information. Affected products include: Amperecomputing Ampereone A192-32M Firmware, Amperecomputing Ampereone A192-32M, Amperecomputing Ampereone A192-26M Firmware, Amperecomputing Ampereone A192-26M, Amperecomputing Ampereone A160-28M Firmware.