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CVEs-PoC/2021/CVE-2021-3659.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
2025-09-29 21:09:30 +02:00

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### [CVE-2021-3659](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3659)
![](https://img.shields.io/static/v1?label=Product&message=Kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Fixed%20in%20Kernel%205.12%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-252%20-%20Unchecked%20Return%20Value%2C%20CWE-476%20-%20NULL%20Pointer%20Dereference&color=brightgreen)
### Description
A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.
### POC
#### Reference
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8
#### Github
No PoCs found on GitHub currently.
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