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CVE-2021-3752 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1999544 CVEIssue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html CVEMailing ListThird Party Advisory
https://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/ CVE
https://security.netapp.com/advisory/ntap-20220318-0009/ CVEThird Party Advisory

see all 16 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')[email protected]
CWE-416Use After Free[email protected]

Affected Products

ProductVersions

Change History

28 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3752
NVD Published Date:
Feb 16, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3752 Details - Not Deferred