Bug 1228007 (CVE-2022-48859)

Summary:	VUL-0: CVE-2022-48859: kernel: net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr
Product:	[Novell Products] SUSE Security Incidents	Reporter:	SMASH SMASH <smash_bz>
Component:	Incidents	Assignee:	Security Team bot <security-team>
Status:	NEW ---	QA Contact:	Security Team bot <security-team>
Severity:	Normal
Priority:	P3 - Medium	CC:	gianluca.gabrielli, miroslav.franc
Version:	unspecified
Target Milestone:	---
Hardware:	Other
OS:	Other
URL:	https://smash.suse.de/issue/414277/
Whiteboard:	CVSSv3.1:SUSE:CVE-2022-48859:5.5:(AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Found By:	Security Response Team	Services Priority:
Business Priority:		Blocker:	---
Marketing QA Status:	---	IT Deployment:	---

Description SMASH SMASH 2024-07-17 08:09:02 UTC

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

net: marvell: prestera: Add missing of_node_put() in prestera_switch_set_base_mac_addr

This node pointer is returned by of_find_compatible_node() with
refcount incremented. Calling of_node_put() to aovid the refcount leak.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48859
https://www.cve.org/CVERecord?id=CVE-2022-48859
https://git.kernel.org/stable/c/4cc66bf17220ff9631f9fa99b02a872e0ad5a08b
https://git.kernel.org/stable/c/b7c2fd1d126329340639adfb8dd2938fe4b65df7
https://git.kernel.org/stable/c/c9ffa3e2bc451816ce0295e40063514fabf2bd36
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48859.mbox
https://bugzilla.redhat.com/show_bug.cgi?id=2298203