Bug 2406764 (CVE-2025-40069)

Summary:	CVE-2025-40069 kernel: drm/msm: Fix obj leak in VM_BIND error path
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
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:		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 2025-10-28 12:04:21 UTC

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

drm/msm: Fix obj leak in VM_BIND error path

If we fail a handle-lookup part way thru, we need to drop the already
obtained obj references.

Patchwork: https://patchwork.freedesktop.org/patch/669784/

Comment 1 Jon Moroney 2025-10-28 18:13:30 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025102818-CVE-2025-40069-ebb6@gregkh/T