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cve/2021/CVE-2021-3752.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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### [CVE-2021-3752](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3752)
![](https://img.shields.io/static/v1?label=Product&message=kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=kernel%205.15.3%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416&color=brightgreen)
### 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.
### POC
#### Reference
- https://www.oracle.com/security-alerts/cpujul2022.html
#### Github
- https://github.com/ARPSyndicate/cvemon
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