CVE-2025-0647
HIGHArm CPUs - Info Disclosure
Title source: llmDescription
In certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareability domain. In this case, the PE may retain stale TLB entries which should have been invalidated by the TLBI.
Scores
CVSS v3
7.9
EPSS
0.0001
EPSS Percentile
0.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Classification
CWE
CWE-226
Status
published
Affected Products (11)
arm/c1-ultra_firmware
arm/c1-premium_firmware
arm/cortex-a710_firmware
arm/cortex-x2_firmware
arm/cortex-x3_firmware
arm/cortex-x4_firmware
arm/cortex-x925_firmware
arm/neoverse-v2_firmware
arm/neoverse-v3_firmware
arm/neoverse-v3ae_firmware
arm/neoverse-n2_firmware
Timeline
Published
Jan 14, 2026
Tracked Since
Feb 18, 2026