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-2022-1004085: ipw2x00: Fix potential NULL dereference in libipw_xmit(). Affects Kernel versions < 1ff6b0727c8988f25eeb670b6c038c1120bb58dd. 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 2915 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 means that under certain conditions, the function may attempt to access a memory location that is NULL, leading to a crash or other unexpected behavior. The impact and attack plausibility of this vulnerability have not been proven yet. It is important to note that this vulnerability has been fixed in Linux Kernel version v4.9.318 by commit 1ff6b0727c8988f25eeb670b6c038c1120bb58dd.

How To Fix

No fixed version is published for this vulnerability.

To fix this vulnerability, it is recommended to update the ipw2x00 package to the fixed version included in Linux Kernel v4.9.318 or later. This can be done by updating the Linux Kernel on the affected system. The fix can be obtained from the official Linux Kernel repository: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/

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Workaround

No workaround has been provided for this vulnerability.

Conclusion

In conclusion, the ipw2x00 package is vulnerable to a potential NULL dereference in the libipw_xmit() function. It is recommended to update the package to the fixed version included in Linux Kernel v4.9.318 or later. For further support on vulnerability remediation, you can contact DevNack.com.

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