Buffer Overflow Vulnerability in wl1251_cmd_scan

Kernel Updated 02 Oct 2025

Summary

03/08/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001353: wl1251: Fix possible buffer overflow in wl1251_cmd_scan. Affects Kernel versions < d71dddeb5380613f9ef199f3e7368fd78fb1a46e. No fix is published. How to fix ↓

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Background

The wl1251 package is a wireless LAN driver for Texas Instruments wl1251 chipsets. It is a part of the Linux Kernel ecosystem. The wl1251_cmd_scan function in this package is responsible for handling scan commands. However, it has been discovered that there is a potential buffer overflow vulnerability in this function.

Vulnerability Detail

The buffer overflow vulnerability in wl1251_cmd_scan can be exploited by an attacker to overwrite adjacent memory locations, potentially leading to arbitrary code execution or a system crash. This vulnerability can be triggered by sending a specially crafted scan command to the affected device. It is important to note that the impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability.

Conclusion

In conclusion, the wl1251 package in the Linux Kernel is vulnerable to a buffer overflow in the wl1251_cmd_scan function. To mitigate this vulnerability, it is crucial to update the Kernel to version v5.4.133 or later. For further support on vulnerability remediation, you can reach out to DevNack.com.

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