Bug 2400617 (CVE-2025-39906)

Summary:	CVE-2025-39906 kernel: drm/amd/display: remove oem i2c adapter on finish
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
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 2025-10-01 08:02:47 UTC

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

drm/amd/display: remove oem i2c adapter on finish

Fixes a bug where unbinding of the GPU would leave the oem i2c adapter
registered resulting in a null pointer dereference when applications try
to access the invalid device.

(cherry picked from commit 89923fb7ead4fdd37b78dd49962d9bb5892403e6)

Comment 1 Alexander B 2025-10-02 11:27:49 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100108-CVE-2025-39906-5913@gregkh/T