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@wzx996996996 wzx996996996 commented Jan 10, 2026

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* Cordio BLE: Fix two integer overflows

* Cordio BLE: Fix sign in length check
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Summary

This PR cherry-picks a security fix from the mbed-ce/mbed-os fork to address
integer overflow vulnerabilities in the Cordio BLE HCI event handling code.
The issue is tracked as CVE-2024-48982.

The fix is minimal, self-contained, and limited to a single function, making
it low-risk and suitable for upstream inclusion.


Background

The original fix was introduced in the following commit:

This PR applies the same changes to ARMmbed/mbed-os via cherry-pick.


Technical Details

The patch fixes two integer overflow issues in:

@wzx996996996 wzx996996996 changed the title Cordio BLE: Fix integer overflows (CVE-2024-48982) Cordio BLE: Fix integer overflow vulnerabilities (CVE-2024-48982) Jan 10, 2026
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2 participants