Bug 2546344 (CVE-2026-98203)

Summary:	CVE-2026-98203 kernel: Input: soc_button_array - check btns_desc->package.count
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
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 SoC (System on Chip) button array driver. The driver fails to verify that the button descriptor package contains entries before accessing them during device initialization. This issue may allow an invalid device configuration to trigger an out-of-bounds memory access, resulting in a kernel crash and Denial of Service (DoS).	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 2026-10-06 09:02:21 UTC

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

Input: soc_button_array - check btns_desc->package.count

Check that btns_desc->package.count is not 0 before accessing
btns_desc->package.elements[0].

Comment 1 Mauro Matteo Cascella 2026-10-09 08:05:31 UTC

Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98203.mbox