Bug 2451211 (CVE-2026-23314)

Summary:	CVE-2026-23314 kernel: regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
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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Doc Text:	A flaw was found in the Linux kernel, specifically within the `regulator: bq257xx` subsystem. This vulnerability, a device node reference leak, occurs when the `bq257xx_reg_dt_parse_gpio()` function fails to properly manage system resources. An attacker could potentially exploit this to cause a denial of service (DoS), making the system unresponsive.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description OSIDB Bzimport 2026-03-25 11:04:53 UTC

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

regulator: bq257xx: Fix device node reference leak in bq257xx_reg_dt_parse_gpio()

In bq257xx_reg_dt_parse_gpio(), if fails to get subchild, it returns
without calling of_node_put(child), causing the device node reference
leak.

Comment 1 Alexander B 2026-03-25 15:43:09 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026032529-CVE-2026-23314-166c@gregkh/T