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Status published
Critical
CVE-2021-3966
Usb bluetooth device ACL read cb buffer overflow
Vulnerability Description
usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
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View all reports →Affected Software
zephyr
Vulnerable Versions:
unspecified
Timeline
Official Publish:
January 11th, 2023
Last Modified:
April 9th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H