CVE-2026-43159
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Null Dereference in Linux Kernel RTL8723BS Driver

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix null dereference in find_network The variable pwlan has the possibility of being NULL when passed into rtw_free_network_nolock() which would later dereference the variable.
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-06-16
AI Q&A
2026-05-06
EPSS Evaluated
2026-06-15
NVD
CVE-2026-43159
EUVD
EUVD-2026-27718
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux_kernel rtl8723bs *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Linux kernel's rtl8723bs staging driver. It involves a null pointer dereference issue where the variable 'pwlan' can be NULL when passed into the function rtw_free_network_nolock(). If the function attempts to dereference this NULL variable, it can cause a crash or other unintended behavior.

Impact Analysis

The impact of this vulnerability is that it can cause the Linux kernel to dereference a NULL pointer, potentially leading to a system crash or instability. This could disrupt normal operation of the affected system, especially if the rtl8723bs wireless driver is in use.

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