CVE-2021-3752

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416 CWE-362

Affected software

No affected versions have been published.

Timeline

Published: Feb 16, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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