CVE-2025-48507
The security state of the calling processor into Trusted Firmware (TF-A) is not used and could potentially allow non-secure processors access to secure...
- Published
- Nov 23, 2025
- Updated
- Jan 14, 2026
- Assigning CNA
- AMD
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XLow · next 30 days
- Percentile
- 8.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
The security state of the calling processor into Trusted Firmware (TF-A) is not used and could potentially allow non-secure processors access to secure memories, access to crypto operations, and the ability to turn on and off subsystems within the SOC.
Sources
1Proof of Concept of CVE-2025-48507. The security flaw can be leveraged by Non-Secure software (e.g., Linux) to break Trust Zone and gain access to Secure world
Responsible use
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