Bug 2482034 (CVE-2026-46083)

Summary:	CVE-2026-46083 kernel: spi: fix resource leaks on device setup failure
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	rhel-process-autobot, 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. This vulnerability occurs when the `spi_setup()` function fails during the registration of a device, leading to improper cleanup and subsequent resource leaks. This can result in a denial of service (DoS) due to the exhaustion of system resources.	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 2026-05-27 15:08:05 UTC

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

spi: fix resource leaks on device setup failure

Make sure to call controller cleanup() if spi_setup() fails while
registering a device to avoid leaking any resources allocated by
setup().

Comment 1 Keith Grant 2026-05-27 17:25:08 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052701-CVE-2026-46083-3ddd@gregkh/T