ipw2x00: Potential NULL dereference in libipw_xmit()

Kernel Updated 02 Oct 2025

Summary

28/06/2022

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2022-1003783: ipw2x00: Fix potential NULL dereference in libipw_xmit(). Affects Kernel versions < 8fb1b9beb085bb767ae43e441db5ac6fcd66a04d. No fix is published. How to fix ↓

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Background

The ipw2x00 package is a wireless driver for Intel PRO/Wireless 2100, 2200, and 2915ABG network adapters. It is a part of the Linux Kernel ecosystem. The package provides support for these wireless adapters, allowing users to connect to wireless networks and utilize their functionality. However, a potential vulnerability has been identified in the libipw_xmit() function of the ipw2x00 package.

Vulnerability Detail

The vulnerability in the ipw2x00 package involves a potential NULL dereference in the libipw_xmit() function. This vulnerability could be exploited by an attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code. The vulnerability arises when the libipw_xmit() function encounters a NULL pointer, leading to a crash or other unexpected behavior. The impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the Linux Kernel to version v5.4.198 or later. This update includes a commit (8fb1b9beb085bb767ae43e441db5ac6fcd66a04d) that addresses the potential NULL dereference in the libipw_xmit() function. By updating the kernel, the vulnerability can be mitigated.

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Conclusion

In conclusion, the ipw2x00 package in the Linux Kernel is vulnerable to a potential NULL dereference in the libipw_xmit() function. To mitigate this vulnerability, it is advised to update the kernel to version v5.4.198 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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