CVE-2025-62862 - Ampere UEFI-MM Secure Partition Manager Out-of-Bounds Read/Write

CVE-2025-62862 - Ampere UEFI-MM Secure Partition Manager Out-of-Bounds Read/Write

https://cvefeed.io/rssfeed/latest.atom / Tue, 12/16/2025 - 19:53
CVE ID : CVE-2025-62862
Published : Dec. 16, 2025, 5:16 p.m. | 31 minutes ago
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.
Severity: 0.0 | NA
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