VULNERABILITY INTELLIGENCE

CVE-2025-62862

CVSS score4.6 MEDIUM
EPSS probability0.13%
CISA KEVNot currently listed
Published2025-12-16
Last modified2026-10-13
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L

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.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-125

Primary references