PT-2023-12352 · Zephyr · Zephyr

CVE-2021-3966

Published

2023-01-11

Updated

2023-01-18

CVSS v3.1

9.6

Critical

Vector

AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

Name of the Vulnerable Software and Affected Versions Zephyr versions prior to 2.4.0

Description The issue is related to a buffer overflow in the implementation of net buf add mem in the USB device Bluetooth class.

Recommendations For versions prior to 2.4.0, update to version 2.4.0 or later to resolve the issue.

Fix

Buffer Overflow

Heap Based Buffer Overflow

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CVE-2021-3966

GHSA-HFXQ-3W6X-FV2M

Zephyr