Bug 2388957 (CVE-2023-32249)

Summary:	CVE-2023-32249 kernel: ksmbd: not allow guest user on multichannel
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2025-08-16 14:01:15 UTC

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: not allow guest user on multichannel

This patch return STATUS_NOT_SUPPORTED if binding session is guest.

Comment 1 Vipul Nair 2025-08-18 05:35:12 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025081653-CVE-2023-32249-7aca@gregkh/T