Bug 2467075 (CVE-2026-43159)

Summary:	CVE-2026-43159 kernel: staging: rtl8723bs: fix null dereference in find_network
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	unspecified	CC:	rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in the rtl8723bs Wi-Fi driver within the Linux kernel. This vulnerability occurs when a pointer, pwlan, can become null before being used in the rtw_free_network_nolock() function, leading to a null pointer dereference. An attacker could potentially exploit this to cause a system crash, resulting in a Denial of Service (DoS).	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-05-06 13:02:56 UTC

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.

Comment 1 Keith Grant 2026-05-06 19:16:36 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026050631-CVE-2026-43159-aeee@gregkh/T