Bug 2535261 (CVE-2026-89889)

Summary:	CVE-2026-89889 kernel: media: i2c: imx415: Release runtime PM reference on VBLANK error
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	akhatavk, aos-team-art-private, asdas, dpaolell, jdelft, jupierce, lgarciaa, mbiarnes, ppalepu, ppostler, prdhamdh, rhel-process-autobot, sghai, sidsharm, suppawar, vlaad, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in the Linux kernel's i2c imx415 media driver. When programming VMAX fails, the VBLANK path returns immediately without releasing a previously acquired runtime power management (PM) reference. This oversight can lead to a resource leak, potentially allowing a local attacker to cause a denial of service (DoS) by exhausting system resources.	Story Points:	---
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Last Closed:		Type:	---
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Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-09-16 11:40:18 UTC

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

media: i2c: imx415: Release runtime PM reference on VBLANK error

The VBLANK path returned immediately when programming VMAX failed after
pm_runtime_get_if_in_use() had taken a runtime PM reference. Break out of
the switch instead so the common pm_runtime_put() path is used.

Comment 1 Mauro Matteo Cascella 2026-09-22 13:23:29 UTC

Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-89889.mbox