HIGH 7.1 Microsoft

CVE-2021-3752

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.

Microsoft Security Update 2022-Feb: 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.

Affected Products

References

Published: 2022-02-08 · Source: Microsoft · Feed updated: 2026-09-07
This high severity vulnerability with a CVSS score of 7.1 was published on 2022-02-08 via Microsoft. Affected: cm1 kernel 5.10.102.1-1 on CBL Mariner 1.0.
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